Home / 66,861,553.40-100,292,330.10-28,597,801.40

Finding the Fourth Proportional to 66,861,553.40, 100,292,330.10 and 28,597,801.40

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Solution

The fourth proportional to 66,861,553.40, 100,292,330.10 and 28,597,801.40 is: 42,896,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,861,553.40 : 100,292,330.10 = 28,597,801.40 : x
  2. Step 2: Convert to fraction form
    66,861,553.40/100,292,330.10 = 28,597,801.40/x
  3. Step 3: Cross multiply
    66,861,553.40x = 100,292,330.10 × 28,597,801.40
  4. Step 4: Simplify right side
    66,861,553.40x = 2,868,140,138,143,042
  5. Step 5: Solve for x
    x = 2,868,140,138,143,042/66,861,553.40
  6. Step 6: Final answer
    x = 42,896,702.10

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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.