Home / 78,755,034.60-118,132,551.90-51,013,814.40

Finding the Fourth Proportional to 78,755,034.60, 118,132,551.90 and 51,013,814.40

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Solution

The fourth proportional to 78,755,034.60, 118,132,551.90 and 51,013,814.40 is: 76,520,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,755,034.60 : 118,132,551.90 = 51,013,814.40 : x
  2. Step 2: Convert to fraction form
    78,755,034.60/118,132,551.90 = 51,013,814.40/x
  3. Step 3: Cross multiply
    78,755,034.60x = 118,132,551.90 × 51,013,814.40
  4. Step 4: Simplify right side
    78,755,034.60x = 6,026,392,077,224,967
  5. Step 5: Solve for x
    x = 6,026,392,077,224,967/78,755,034.60
  6. Step 6: Final answer
    x = 76,520,721.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.