Home / 100,202,436.30-150,303,654.45-66,162,218.70

Finding the Fourth Proportional to 100,202,436.30, 150,303,654.45 and 66,162,218.70

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Solution

The fourth proportional to 100,202,436.30, 150,303,654.45 and 66,162,218.70 is: 99,243,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,202,436.30 : 150,303,654.45 = 66,162,218.70 : x
  2. Step 2: Convert to fraction form
    100,202,436.30/150,303,654.45 = 66,162,218.70/x
  3. Step 3: Cross multiply
    100,202,436.30x = 150,303,654.45 × 66,162,218.70
  4. Step 4: Simplify right side
    100,202,436.30x = 9,944,423,257,130,128
  5. Step 5: Solve for x
    x = 9,944,423,257,130,128/100,202,436.30
  6. Step 6: Final answer
    x = 99,243,328.05

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Double scale
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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.