Home / 198,008,689.60-297,119,322.60-83,004,857.20

Finding the Fourth Proportional to 198,008,689.60, 297,119,322.60 and 83,004,857.20

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Solution

The fourth proportional to 198,008,689.60, 297,119,322.60 and 83,004,857.20 is: 124,551,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,008,689.60 : 297,119,322.60 = 83,004,857.20 : x
  2. Step 2: Convert to fraction form
    198,008,689.60/297,119,322.60 = 83,004,857.20/x
  3. Step 3: Cross multiply
    198,008,689.60x = 297,119,322.60 × 83,004,857.20
  4. Step 4: Simplify right side
    198,008,689.60x = 24,662,346,943,773,736
  5. Step 5: Solve for x
    x = 24,662,346,943,773,736/198,008,689.60
  6. Step 6: Final answer
    x = 124,551,841.61

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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.