Home / 70,773,761.57-106,111,287.27-31,360,578.98

Finding the Fourth Proportional to 70,773,761.57, 106,111,287.27 and 31,360,578.98

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Solution

The fourth proportional to 70,773,761.57, 106,111,287.27 and 31,360,578.98 is: 47,018,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,773,761.57 : 106,111,287.27 = 31,360,578.98 : x
  2. Step 2: Convert to fraction form
    70,773,761.57/106,111,287.27 = 31,360,578.98/x
  3. Step 3: Cross multiply
    70,773,761.57x = 106,111,287.27 × 31,360,578.98
  4. Step 4: Simplify right side
    70,773,761.57x = 3,327,711,404,569,747
  5. Step 5: Solve for x
    x = 3,327,711,404,569,747/70,773,761.57
  6. Step 6: Final answer
    x = 47,018,998.72

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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.