Home / 99,065,389.60-148,304,151.60-73,619,207.20

Finding the Fourth Proportional to 99,065,389.60, 148,304,151.60 and 73,619,207.20

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Solution

The fourth proportional to 99,065,389.60, 148,304,151.60 and 73,619,207.20 is: 110,210,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065,389.60 : 148,304,151.60 = 73,619,207.20 : x
  2. Step 2: Convert to fraction form
    99,065,389.60/148,304,151.60 = 73,619,207.20/x
  3. Step 3: Cross multiply
    99,065,389.60x = 148,304,151.60 × 73,619,207.20
  4. Step 4: Simplify right side
    99,065,389.60x = 10,918,034,065,260,612
  5. Step 5: Solve for x
    x = 10,918,034,065,260,612/99,065,389.60
  6. Step 6: Final answer
    x = 110,210,378.31

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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.