Home / 66,413,247.40-99,619,871.10-63,862,330.60

Finding the Fourth Proportional to 66,413,247.40, 99,619,871.10 and 63,862,330.60

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Solution

The fourth proportional to 66,413,247.40, 99,619,871.10 and 63,862,330.60 is: 95,793,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,413,247.40 : 99,619,871.10 = 63,862,330.60 : x
  2. Step 2: Convert to fraction form
    66,413,247.40/99,619,871.10 = 63,862,330.60/x
  3. Step 3: Cross multiply
    66,413,247.40x = 99,619,871.10 × 63,862,330.60
  4. Step 4: Simplify right side
    66,413,247.40x = 6,361,957,142,517,585
  5. Step 5: Solve for x
    x = 6,361,957,142,517,585/66,413,247.40
  6. Step 6: Final answer
    x = 95,793,495.90

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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.