Home / 66,456,285.30-99,684,427.95-39,134,531.70

Finding the Fourth Proportional to 66,456,285.30, 99,684,427.95 and 39,134,531.70

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Solution

The fourth proportional to 66,456,285.30, 99,684,427.95 and 39,134,531.70 is: 58,701,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,456,285.30 : 99,684,427.95 = 39,134,531.70 : x
  2. Step 2: Convert to fraction form
    66,456,285.30/99,684,427.95 = 39,134,531.70/x
  3. Step 3: Cross multiply
    66,456,285.30x = 99,684,427.95 × 39,134,531.70
  4. Step 4: Simplify right side
    66,456,285.30x = 3,901,103,405,605,641.50
  5. Step 5: Solve for x
    x = 3,901,103,405,605,641.50/66,456,285.30
  6. Step 6: Final answer
    x = 58,701,797.55

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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.