Home / 79,168,829.40-118,753,244.10-38,858,045.40

Finding the Fourth Proportional to 79,168,829.40, 118,753,244.10 and 38,858,045.40

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Solution

The fourth proportional to 79,168,829.40, 118,753,244.10 and 38,858,045.40 is: 58,287,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168,829.40 : 118,753,244.10 = 38,858,045.40 : x
  2. Step 2: Convert to fraction form
    79,168,829.40/118,753,244.10 = 38,858,045.40/x
  3. Step 3: Cross multiply
    79,168,829.40x = 118,753,244.10 × 38,858,045.40
  4. Step 4: Simplify right side
    79,168,829.40x = 4,614,518,950,635,082
  5. Step 5: Solve for x
    x = 4,614,518,950,635,082/79,168,829.40
  6. Step 6: Final answer
    x = 58,287,068.10

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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.