Home / 73,822,805.40-110,753,561.70-28,386,082.20

Finding the Fourth Proportional to 73,822,805.40, 110,753,561.70 and 28,386,082.20

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Solution

The fourth proportional to 73,822,805.40, 110,753,561.70 and 28,386,082.20 is: 42,586,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,822,805.40 : 110,753,561.70 = 28,386,082.20 : x
  2. Step 2: Convert to fraction form
    73,822,805.40/110,753,561.70 = 28,386,082.20/x
  3. Step 3: Cross multiply
    73,822,805.40x = 110,753,561.70 × 28,386,082.20
  4. Step 4: Simplify right side
    73,822,805.40x = 3,143,859,706,358,971.50
  5. Step 5: Solve for x
    x = 3,143,859,706,358,971.50/73,822,805.40
  6. Step 6: Final answer
    x = 42,586,565.08

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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.