Home / 198,242,970.16-297,262,349.64-88,974,468.76

Finding the Fourth Proportional to 198,242,970.16, 297,262,349.64 and 88,974,468.76

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Solution

The fourth proportional to 198,242,970.16, 297,262,349.64 and 88,974,468.76 is: 133,415,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242,970.16 : 297,262,349.64 = 88,974,468.76 : x
  2. Step 2: Convert to fraction form
    198,242,970.16/297,262,349.64 = 88,974,468.76/x
  3. Step 3: Cross multiply
    198,242,970.16x = 297,262,349.64 × 88,974,468.76
  4. Step 4: Simplify right side
    198,242,970.16x = 26,448,759,641,568,376
  5. Step 5: Solve for x
    x = 26,448,759,641,568,376/198,242,970.16
  6. Step 6: Final answer
    x = 133,415,876.59

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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.