Home / 109,226,721.60-163,840,082.40-66,073,712.40

Finding the Fourth Proportional to 109,226,721.60, 163,840,082.40 and 66,073,712.40

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Solution

The fourth proportional to 109,226,721.60, 163,840,082.40 and 66,073,712.40 is: 99,110,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,226,721.60 : 163,840,082.40 = 66,073,712.40 : x
  2. Step 2: Convert to fraction form
    109,226,721.60/163,840,082.40 = 66,073,712.40/x
  3. Step 3: Cross multiply
    109,226,721.60x = 163,840,082.40 × 66,073,712.40
  4. Step 4: Simplify right side
    109,226,721.60x = 10,825,522,484,089,902
  5. Step 5: Solve for x
    x = 10,825,522,484,089,902/109,226,721.60
  6. Step 6: Final answer
    x = 99,110,568.60

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1.5x scale

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.