Home / 75,278,505.35-112,840,076.70-31,584,637.42

Finding the Fourth Proportional to 75,278,505.35, 112,840,076.70 and 31,584,637.42

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Solution

The fourth proportional to 75,278,505.35, 112,840,076.70 and 31,584,637.42 is: 47,344,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278,505.35 : 112,840,076.70 = 31,584,637.42 : x
  2. Step 2: Convert to fraction form
    75,278,505.35/112,840,076.70 = 31,584,637.42/x
  3. Step 3: Cross multiply
    75,278,505.35x = 112,840,076.70 × 31,584,637.42
  4. Step 4: Simplify right side
    75,278,505.35x = 3,564,012,908,732,390
  5. Step 5: Solve for x
    x = 3,564,012,908,732,390/75,278,505.35
  6. Step 6: Final answer
    x = 47,344,363.34

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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.