Home / 79,063,354.28-118,671,564.24-38,151,538.88

Finding the Fourth Proportional to 79,063,354.28, 118,671,564.24 and 38,151,538.88

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Solution

The fourth proportional to 79,063,354.28, 118,671,564.24 and 38,151,538.88 is: 57,264,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,063,354.28 : 118,671,564.24 = 38,151,538.88 : x
  2. Step 2: Convert to fraction form
    79,063,354.28/118,671,564.24 = 38,151,538.88/x
  3. Step 3: Cross multiply
    79,063,354.28x = 118,671,564.24 × 38,151,538.88
  4. Step 4: Simplify right side
    79,063,354.28x = 4,527,502,797,052,778
  5. Step 5: Solve for x
    x = 4,527,502,797,052,778/79,063,354.28
  6. Step 6: Final answer
    x = 57,264,238.77

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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.