Home / 66,423,602.40-99,635,403.60-40,781,464.80

Finding the Fourth Proportional to 66,423,602.40, 99,635,403.60 and 40,781,464.80

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Solution

The fourth proportional to 66,423,602.40, 99,635,403.60 and 40,781,464.80 is: 61,172,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423,602.40 : 99,635,403.60 = 40,781,464.80 : x
  2. Step 2: Convert to fraction form
    66,423,602.40/99,635,403.60 = 40,781,464.80/x
  3. Step 3: Cross multiply
    66,423,602.40x = 99,635,403.60 × 40,781,464.80
  4. Step 4: Simplify right side
    66,423,602.40x = 4,063,277,704,747,192.50
  5. Step 5: Solve for x
    x = 4,063,277,704,747,192.50/66,423,602.40
  6. Step 6: Final answer
    x = 61,172,197.20

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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.