Home / 49,419,508.08-74,129,994.42-18,705,841.11

Finding the Fourth Proportional to 49,419,508.08, 74,129,994.42 and 18,705,841.11

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Solution

The fourth proportional to 49,419,508.08, 74,129,994.42 and 18,705,841.11 is: 28,059,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419,508.08 : 74,129,994.42 = 18,705,841.11 : x
  2. Step 2: Convert to fraction form
    49,419,508.08/74,129,994.42 = 18,705,841.11/x
  3. Step 3: Cross multiply
    49,419,508.08x = 74,129,994.42 × 18,705,841.11
  4. Step 4: Simplify right side
    49,419,508.08x = 1,386,663,897,035,559.75
  5. Step 5: Solve for x
    x = 1,386,663,897,035,559.75/49,419,508.08
  6. Step 6: Final answer
    x = 28,059,038.85

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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.