Home / 83,014,956.40-124,522,434.60-31,898,205.40

Finding the Fourth Proportional to 83,014,956.40, 124,522,434.60 and 31,898,205.40

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Solution

The fourth proportional to 83,014,956.40, 124,522,434.60 and 31,898,205.40 is: 47,847,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,014,956.40 : 124,522,434.60 = 31,898,205.40 : x
  2. Step 2: Convert to fraction form
    83,014,956.40/124,522,434.60 = 31,898,205.40/x
  3. Step 3: Cross multiply
    83,014,956.40x = 124,522,434.60 × 31,898,205.40
  4. Step 4: Simplify right side
    83,014,956.40x = 3,972,042,195,778,866.50
  5. Step 5: Solve for x
    x = 3,972,042,195,778,866.50/83,014,956.40
  6. Step 6: Final answer
    x = 47,847,308.10

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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.