Home / 77,454,139,126.32-106,936,063,463.16-63,214,932,178.80

Finding the Fourth Proportional to 77,454,139,126.32, 106,936,063,463.16 and 63,214,932,178.80

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Solution

The fourth proportional to 77,454,139,126.32, 106,936,063,463.16 and 63,214,932,178.80 is: 87,276,885,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,454,139,126.32 : 106,936,063,463.16 = 63,214,932,178.80 : x
  2. Step 2: Convert to fraction form
    77,454,139,126.32/106,936,063,463.16 = 63,214,932,178.80/x
  3. Step 3: Cross multiply
    77,454,139,126.32x = 106,936,063,463.16 × 63,214,932,178.80
  4. Step 4: Simplify right side
    77,454,139,126.32x = 6,759,955,999,291,512,717,312
  5. Step 5: Solve for x
    x = 6,759,955,999,291,512,717,312/77,454,139,126.32
  6. Step 6: Final answer
    x = 87,276,885,077.33

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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.