Home / 83,988,318.40-125,982,477.60-49,892,113.60

Finding the Fourth Proportional to 83,988,318.40, 125,982,477.60 and 49,892,113.60

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Solution

The fourth proportional to 83,988,318.40, 125,982,477.60 and 49,892,113.60 is: 74,838,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,988,318.40 : 125,982,477.60 = 49,892,113.60 : x
  2. Step 2: Convert to fraction form
    83,988,318.40/125,982,477.60 = 49,892,113.60/x
  3. Step 3: Cross multiply
    83,988,318.40x = 125,982,477.60 × 49,892,113.60
  4. Step 4: Simplify right side
    83,988,318.40x = 6,285,532,084,028,655
  5. Step 5: Solve for x
    x = 6,285,532,084,028,655/83,988,318.40
  6. Step 6: Final answer
    x = 74,838,170.40

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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.