Home / 83,929,338.40-125,894,007.60-49,833,133.60

Finding the Fourth Proportional to 83,929,338.40, 125,894,007.60 and 49,833,133.60

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Solution

The fourth proportional to 83,929,338.40, 125,894,007.60 and 49,833,133.60 is: 74,749,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,929,338.40 : 125,894,007.60 = 49,833,133.60 : x
  2. Step 2: Convert to fraction form
    83,929,338.40/125,894,007.60 = 49,833,133.60/x
  3. Step 3: Cross multiply
    83,929,338.40x = 125,894,007.60 × 49,833,133.60
  4. Step 4: Simplify right side
    83,929,338.40x = 6,273,692,900,170,215
  5. Step 5: Solve for x
    x = 6,273,692,900,170,215/83,929,338.40
  6. Step 6: Final answer
    x = 74,749,700.40

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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.