Home / 125,191,805.40-187,700,228.10-74,047,498.20

Finding the Fourth Proportional to 125,191,805.40, 187,700,228.10 and 74,047,498.20

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Solution

The fourth proportional to 125,191,805.40, 187,700,228.10 and 74,047,498.20 is: 111,019,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,191,805.40 : 187,700,228.10 = 74,047,498.20 : x
  2. Step 2: Convert to fraction form
    125,191,805.40/187,700,228.10 = 74,047,498.20/x
  3. Step 3: Cross multiply
    125,191,805.40x = 187,700,228.10 × 74,047,498.20
  4. Step 4: Simplify right side
    125,191,805.40x = 13,898,732,302,374,340
  5. Step 5: Solve for x
    x = 13,898,732,302,374,340/125,191,805.40
  6. Step 6: Final answer
    x = 111,019,505.29

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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.