Home / 78,936,006.60-118,350,126.90-42,053,411.16

Finding the Fourth Proportional to 78,936,006.60, 118,350,126.90 and 42,053,411.16

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Solution

The fourth proportional to 78,936,006.60, 118,350,126.90 and 42,053,411.16 is: 63,051,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,936,006.60 : 118,350,126.90 = 42,053,411.16 : x
  2. Step 2: Convert to fraction form
    78,936,006.60/118,350,126.90 = 42,053,411.16/x
  3. Step 3: Cross multiply
    78,936,006.60x = 118,350,126.90 × 42,053,411.16
  4. Step 4: Simplify right side
    78,936,006.60x = 4,977,026,547,363,876
  5. Step 5: Solve for x
    x = 4,977,026,547,363,876/78,936,006.60
  6. Step 6: Final answer
    x = 63,051,410.40

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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.