Home / 145,161,017.70-217,741,526.55-49,422,905.70

Finding the Fourth Proportional to 145,161,017.70, 217,741,526.55 and 49,422,905.70

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Solution

The fourth proportional to 145,161,017.70, 217,741,526.55 and 49,422,905.70 is: 74,134,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,161,017.70 : 217,741,526.55 = 49,422,905.70 : x
  2. Step 2: Convert to fraction form
    145,161,017.70/217,741,526.55 = 49,422,905.70/x
  3. Step 3: Cross multiply
    145,161,017.70x = 217,741,526.55 × 49,422,905.70
  4. Step 4: Simplify right side
    145,161,017.70x = 10,761,418,933,654,698
  5. Step 5: Solve for x
    x = 10,761,418,933,654,698/145,161,017.70
  6. Step 6: Final answer
    x = 74,134,358.55

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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.