Home / 87,218,838.80-130,828,258.20-60,009,059.60

Finding the Fourth Proportional to 87,218,838.80, 130,828,258.20 and 60,009,059.60

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Solution

The fourth proportional to 87,218,838.80, 130,828,258.20 and 60,009,059.60 is: 90,013,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,218,838.80 : 130,828,258.20 = 60,009,059.60 : x
  2. Step 2: Convert to fraction form
    87,218,838.80/130,828,258.20 = 60,009,059.60/x
  3. Step 3: Cross multiply
    87,218,838.80x = 130,828,258.20 × 60,009,059.60
  4. Step 4: Simplify right side
    87,218,838.80x = 7,850,880,743,687,989
  5. Step 5: Solve for x
    x = 7,850,880,743,687,989/87,218,838.80
  6. Step 6: Final answer
    x = 90,013,589.40

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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.