Home / 99,405,120.30-149,019,034.05-38,806,752.30

Finding the Fourth Proportional to 99,405,120.30, 149,019,034.05 and 38,806,752.30

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Solution

The fourth proportional to 99,405,120.30, 149,019,034.05 and 38,806,752.30 is: 58,175,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,405,120.30 : 149,019,034.05 = 38,806,752.30 : x
  2. Step 2: Convert to fraction form
    99,405,120.30/149,019,034.05 = 38,806,752.30/x
  3. Step 3: Cross multiply
    99,405,120.30x = 149,019,034.05 × 38,806,752.30
  4. Step 4: Simplify right side
    99,405,120.30x = 5,782,944,742,363,616
  5. Step 5: Solve for x
    x = 5,782,944,742,363,616/99,405,120.30
  6. Step 6: Final answer
    x = 58,175,521.79

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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.