Home / 53,156,732.40-79,735,098.60-52,820,809.20

Finding the Fourth Proportional to 53,156,732.40, 79,735,098.60 and 52,820,809.20

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Solution

The fourth proportional to 53,156,732.40, 79,735,098.60 and 52,820,809.20 is: 79,231,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156,732.40 : 79,735,098.60 = 52,820,809.20 : x
  2. Step 2: Convert to fraction form
    53,156,732.40/79,735,098.60 = 52,820,809.20/x
  3. Step 3: Cross multiply
    53,156,732.40x = 79,735,098.60 × 52,820,809.20
  4. Step 4: Simplify right side
    53,156,732.40x = 4,211,672,429,693,787
  5. Step 5: Solve for x
    x = 4,211,672,429,693,787/53,156,732.40
  6. Step 6: Final answer
    x = 79,231,213.80

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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.