Home / 66,754,174.32-99,951,863.69-42,361,032.42

Finding the Fourth Proportional to 66,754,174.32, 99,951,863.69 and 42,361,032.42

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Solution

The fourth proportional to 66,754,174.32, 99,951,863.69 and 42,361,032.42 is: 63,427,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,754,174.32 : 99,951,863.69 = 42,361,032.42 : x
  2. Step 2: Convert to fraction form
    66,754,174.32/99,951,863.69 = 42,361,032.42/x
  3. Step 3: Cross multiply
    66,754,174.32x = 99,951,863.69 × 42,361,032.42
  4. Step 4: Simplify right side
    66,754,174.32x = 4,234,064,137,999,706
  5. Step 5: Solve for x
    x = 4,234,064,137,999,706/66,754,174.32
  6. Step 6: Final answer
    x = 63,427,705.92

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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.