Home / 101,040,437.10-151,560,655.65-90,836,769.90

Finding the Fourth Proportional to 101,040,437.10, 151,560,655.65 and 90,836,769.90

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Solution

The fourth proportional to 101,040,437.10, 151,560,655.65 and 90,836,769.90 is: 136,255,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040,437.10 : 151,560,655.65 = 90,836,769.90 : x
  2. Step 2: Convert to fraction form
    101,040,437.10/151,560,655.65 = 90,836,769.90/x
  3. Step 3: Cross multiply
    101,040,437.10x = 151,560,655.65 × 90,836,769.90
  4. Step 4: Simplify right side
    101,040,437.10x = 13,767,280,403,172,186
  5. Step 5: Solve for x
    x = 13,767,280,403,172,186/101,040,437.10
  6. Step 6: Final answer
    x = 136,255,154.85

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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.