Home / 70,722,335.61-106,083,532.83-31,815,342.81

Finding the Fourth Proportional to 70,722,335.61, 106,083,532.83 and 31,815,342.81

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Solution

The fourth proportional to 70,722,335.61, 106,083,532.83 and 31,815,342.81 is: 47,723,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,722,335.61 : 106,083,532.83 = 31,815,342.81 : x
  2. Step 2: Convert to fraction form
    70,722,335.61/106,083,532.83 = 31,815,342.81/x
  3. Step 3: Cross multiply
    70,722,335.61x = 106,083,532.83 × 31,815,342.81
  4. Step 4: Simplify right side
    70,722,335.61x = 3,375,083,963,482,339.50
  5. Step 5: Solve for x
    x = 3,375,083,963,482,339.50/70,722,335.61
  6. Step 6: Final answer
    x = 47,723,027.45

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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.