Home / 98,415,693.40-147,623,540.10-72,906,525.40

Finding the Fourth Proportional to 98,415,693.40, 147,623,540.10 and 72,906,525.40

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Solution

The fourth proportional to 98,415,693.40, 147,623,540.10 and 72,906,525.40 is: 109,359,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,693.40 : 147,623,540.10 = 72,906,525.40 : x
  2. Step 2: Convert to fraction form
    98,415,693.40/147,623,540.10 = 72,906,525.40/x
  3. Step 3: Cross multiply
    98,415,693.40x = 147,623,540.10 × 72,906,525.40
  4. Step 4: Simplify right side
    98,415,693.40x = 10,762,719,375,938,568
  5. Step 5: Solve for x
    x = 10,762,719,375,938,568/98,415,693.40
  6. Step 6: Final answer
    x = 109,359,788.10

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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.