Home / 198,008,688.60-297,119,321.10-83,004,856.20

Finding the Fourth Proportional to 198,008,688.60, 297,119,321.10 and 83,004,856.20

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Solution

The fourth proportional to 198,008,688.60, 297,119,321.10 and 83,004,856.20 is: 124,551,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,008,688.60 : 297,119,321.10 = 83,004,856.20 : x
  2. Step 2: Convert to fraction form
    198,008,688.60/297,119,321.10 = 83,004,856.20/x
  3. Step 3: Cross multiply
    198,008,688.60x = 297,119,321.10 × 83,004,856.20
  4. Step 4: Simplify right side
    198,008,688.60x = 24,662,346,522,147,128
  5. Step 5: Solve for x
    x = 24,662,346,522,147,128/198,008,688.60
  6. Step 6: Final answer
    x = 124,551,840.11

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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.