Home / 99,854,498.70-149,781,748.05-48,769,289.10

Finding the Fourth Proportional to 99,854,498.70, 149,781,748.05 and 48,769,289.10

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Solution

The fourth proportional to 99,854,498.70, 149,781,748.05 and 48,769,289.10 is: 73,153,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,498.70 : 149,781,748.05 = 48,769,289.10 : x
  2. Step 2: Convert to fraction form
    99,854,498.70/149,781,748.05 = 48,769,289.10/x
  3. Step 3: Cross multiply
    99,854,498.70x = 149,781,748.05 × 48,769,289.10
  4. Step 4: Simplify right side
    99,854,498.70x = 7,304,749,372,553,812
  5. Step 5: Solve for x
    x = 7,304,749,372,553,812/99,854,498.70
  6. Step 6: Final answer
    x = 73,153,933.65

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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.