Home / 99,654,397.20-149,481,595.80-89,610,162.30

Finding the Fourth Proportional to 99,654,397.20, 149,481,595.80 and 89,610,162.30

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Solution

The fourth proportional to 99,654,397.20, 149,481,595.80 and 89,610,162.30 is: 134,415,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654,397.20 : 149,481,595.80 = 89,610,162.30 : x
  2. Step 2: Convert to fraction form
    99,654,397.20/149,481,595.80 = 89,610,162.30/x
  3. Step 3: Cross multiply
    99,654,397.20x = 149,481,595.80 × 89,610,162.30
  4. Step 4: Simplify right side
    99,654,397.20x = 13,395,070,060,500,998
  5. Step 5: Solve for x
    x = 13,395,070,060,500,998/99,654,397.20
  6. Step 6: Final answer
    x = 134,415,243.45

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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.