Home / 198,325,987.80-297,488,981.70-62,025,149.40

Finding the Fourth Proportional to 198,325,987.80, 297,488,981.70 and 62,025,149.40

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Solution

The fourth proportional to 198,325,987.80, 297,488,981.70 and 62,025,149.40 is: 93,037,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,325,987.80 : 297,488,981.70 = 62,025,149.40 : x
  2. Step 2: Convert to fraction form
    198,325,987.80/297,488,981.70 = 62,025,149.40/x
  3. Step 3: Cross multiply
    198,325,987.80x = 297,488,981.70 × 62,025,149.40
  4. Step 4: Simplify right side
    198,325,987.80x = 18,451,798,534,796,364
  5. Step 5: Solve for x
    x = 18,451,798,534,796,364/198,325,987.80
  6. Step 6: Final answer
    x = 93,037,724.10

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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.