Home / 78,178,338.83-117,268,411.05-23,591,397.17

Finding the Fourth Proportional to 78,178,338.83, 117,268,411.05 and 23,591,397.17

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Solution

The fourth proportional to 78,178,338.83, 117,268,411.05 and 23,591,397.17 is: 35,387,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,178,338.83 : 117,268,411.05 = 23,591,397.17 : x
  2. Step 2: Convert to fraction form
    78,178,338.83/117,268,411.05 = 23,591,397.17/x
  3. Step 3: Cross multiply
    78,178,338.83x = 117,268,411.05 × 23,591,397.17
  4. Step 4: Simplify right side
    78,178,338.83x = 2,766,525,659,989,024.50
  5. Step 5: Solve for x
    x = 2,766,525,659,989,024.50/78,178,338.83
  6. Step 6: Final answer
    x = 35,387,368.18

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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.