Home / 78,356,064.10-117,534,096.15-69,995,308.90

Finding the Fourth Proportional to 78,356,064.10, 117,534,096.15 and 69,995,308.90

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Solution

The fourth proportional to 78,356,064.10, 117,534,096.15 and 69,995,308.90 is: 104,992,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,356,064.10 : 117,534,096.15 = 69,995,308.90 : x
  2. Step 2: Convert to fraction form
    78,356,064.10/117,534,096.15 = 69,995,308.90/x
  3. Step 3: Cross multiply
    78,356,064.10x = 117,534,096.15 × 69,995,308.90
  4. Step 4: Simplify right side
    78,356,064.10x = 8,226,835,366,301,552
  5. Step 5: Solve for x
    x = 8,226,835,366,301,552/78,356,064.10
  6. Step 6: Final answer
    x = 104,992,963.35

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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.