Home / 136,592,695.72-188,495,705.10-74,712,493

Finding the Fourth Proportional to 136,592,695.72, 188,495,705.10 and 74,712,493

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Solution

The fourth proportional to 136,592,695.72, 188,495,705.10 and 74,712,493 is: 103,102,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,592,695.72 : 188,495,705.10 = 74,712,493 : x
  2. Step 2: Convert to fraction form
    136,592,695.72/188,495,705.10 = 74,712,493/x
  3. Step 3: Cross multiply
    136,592,695.72x = 188,495,705.10 × 74,712,493
  4. Step 4: Simplify right side
    136,592,695.72x = 14,082,984,047,813,814
  5. Step 5: Solve for x
    x = 14,082,984,047,813,814/136,592,695.72
  6. Step 6: Final answer
    x = 103,102,028.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.