Home / 72,432,090.30-108,648,135.45-49,473,839.10

Finding the Fourth Proportional to 72,432,090.30, 108,648,135.45 and 49,473,839.10

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Solution

The fourth proportional to 72,432,090.30, 108,648,135.45 and 49,473,839.10 is: 74,210,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,432,090.30 : 108,648,135.45 = 49,473,839.10 : x
  2. Step 2: Convert to fraction form
    72,432,090.30/108,648,135.45 = 49,473,839.10/x
  3. Step 3: Cross multiply
    72,432,090.30x = 108,648,135.45 × 49,473,839.10
  4. Step 4: Simplify right side
    72,432,090.30x = 5,375,240,371,768,306
  5. Step 5: Solve for x
    x = 5,375,240,371,768,306/72,432,090.30
  6. Step 6: Final answer
    x = 74,210,758.65

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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.