Home / 112,331,816.40-168,497,724.60-89,657,000.40

Finding the Fourth Proportional to 112,331,816.40, 168,497,724.60 and 89,657,000.40

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Solution

The fourth proportional to 112,331,816.40, 168,497,724.60 and 89,657,000.40 is: 134,485,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,816.40 : 168,497,724.60 = 89,657,000.40 : x
  2. Step 2: Convert to fraction form
    112,331,816.40/168,497,724.60 = 89,657,000.40/x
  3. Step 3: Cross multiply
    112,331,816.40x = 168,497,724.60 × 89,657,000.40
  4. Step 4: Simplify right side
    112,331,816.40x = 15,107,000,561,861,290
  5. Step 5: Solve for x
    x = 15,107,000,561,861,290/112,331,816.40
  6. Step 6: Final answer
    x = 134,485,500.60

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Similar ratio
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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.