Home / 228,254,192.60-315,020,498.76-127,820,881.17

Finding the Fourth Proportional to 228,254,192.60, 315,020,498.76 and 127,820,881.17

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Solution

The fourth proportional to 228,254,192.60, 315,020,498.76 and 127,820,881.17 is: 176,409,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,254,192.60 : 315,020,498.76 = 127,820,881.17 : x
  2. Step 2: Convert to fraction form
    228,254,192.60/315,020,498.76 = 127,820,881.17/x
  3. Step 3: Cross multiply
    228,254,192.60x = 315,020,498.76 × 127,820,881.17
  4. Step 4: Simplify right side
    228,254,192.60x = 40,266,197,738,116,088
  5. Step 5: Solve for x
    x = 40,266,197,738,116,088/228,254,192.60
  6. Step 6: Final answer
    x = 176,409,455.09

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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.