Home / 99,661,862.10-149,492,793.15-98,990,015.70

Finding the Fourth Proportional to 99,661,862.10, 149,492,793.15 and 98,990,015.70

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Solution

The fourth proportional to 99,661,862.10, 149,492,793.15 and 98,990,015.70 is: 148,485,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661,862.10 : 149,492,793.15 = 98,990,015.70 : x
  2. Step 2: Convert to fraction form
    99,661,862.10/149,492,793.15 = 98,990,015.70/x
  3. Step 3: Cross multiply
    99,661,862.10x = 149,492,793.15 × 98,990,015.70
  4. Step 4: Simplify right side
    99,661,862.10x = 14,798,293,940,955,354
  5. Step 5: Solve for x
    x = 14,798,293,940,955,354/99,661,862.10
  6. Step 6: Final answer
    x = 148,485,023.55

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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.