Home / 75,077,390.70-112,474,368.45-38,561,489.10

Finding the Fourth Proportional to 75,077,390.70, 112,474,368.45 and 38,561,489.10

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Solution

The fourth proportional to 75,077,390.70, 112,474,368.45 and 38,561,489.10 is: 57,769,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,077,390.70 : 112,474,368.45 = 38,561,489.10 : x
  2. Step 2: Convert to fraction form
    75,077,390.70/112,474,368.45 = 38,561,489.10/x
  3. Step 3: Cross multiply
    75,077,390.70x = 112,474,368.45 × 38,561,489.10
  4. Step 4: Simplify right side
    75,077,390.70x = 4,337,179,133,014,059
  5. Step 5: Solve for x
    x = 4,337,179,133,014,059/75,077,390.70
  6. Step 6: Final answer
    x = 57,769,444.20

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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.