Home / 127,457,753,823.37-175,971,094,881.45-81,134,328,020.16

Finding the Fourth Proportional to 127,457,753,823.37, 175,971,094,881.45 and 81,134,328,020.16

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Solution

The fourth proportional to 127,457,753,823.37, 175,971,094,881.45 and 81,134,328,020.16 is: 112,015,911,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,457,753,823.37 : 175,971,094,881.45 = 81,134,328,020.16 : x
  2. Step 2: Convert to fraction form
    127,457,753,823.37/175,971,094,881.45 = 81,134,328,020.16/x
  3. Step 3: Cross multiply
    127,457,753,823.37x = 175,971,094,881.45 × 81,134,328,020.16
  4. Step 4: Simplify right side
    127,457,753,823.37x = 14,277,296,534,178,263,728,128
  5. Step 5: Solve for x
    x = 14,277,296,534,178,263,728,128/127,457,753,823.37
  6. Step 6: Final answer
    x = 112,015,911,985.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.