Home / 77,276,940.10-115,915,410.15-41,445,132.10

Finding the Fourth Proportional to 77,276,940.10, 115,915,410.15 and 41,445,132.10

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Solution

The fourth proportional to 77,276,940.10, 115,915,410.15 and 41,445,132.10 is: 62,167,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276,940.10 : 115,915,410.15 = 41,445,132.10 : x
  2. Step 2: Convert to fraction form
    77,276,940.10/115,915,410.15 = 41,445,132.10/x
  3. Step 3: Cross multiply
    77,276,940.10x = 115,915,410.15 × 41,445,132.10
  4. Step 4: Simplify right side
    77,276,940.10x = 4,804,129,486,092,431
  5. Step 5: Solve for x
    x = 4,804,129,486,092,431/77,276,940.10
  6. Step 6: Final answer
    x = 62,167,698.15

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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.