Home / 43,011,005.40-64,474,517.70-38,476,042.20

Finding the Fourth Proportional to 43,011,005.40, 64,474,517.70 and 38,476,042.20

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Solution

The fourth proportional to 43,011,005.40, 64,474,517.70 and 38,476,042.20 is: 57,676,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,011,005.40 : 64,474,517.70 = 38,476,042.20 : x
  2. Step 2: Convert to fraction form
    43,011,005.40/64,474,517.70 = 38,476,042.20/x
  3. Step 3: Cross multiply
    43,011,005.40x = 64,474,517.70 × 38,476,042.20
  4. Step 4: Simplify right side
    43,011,005.40x = 2,480,724,263,849,847
  5. Step 5: Solve for x
    x = 2,480,724,263,849,847/43,011,005.40
  6. Step 6: Final answer
    x = 57,676,500.25

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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.