Home / 90,993,403.40-136,490,105.10-29,582,443.40

Finding the Fourth Proportional to 90,993,403.40, 136,490,105.10 and 29,582,443.40

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Solution

The fourth proportional to 90,993,403.40, 136,490,105.10 and 29,582,443.40 is: 44,373,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,993,403.40 : 136,490,105.10 = 29,582,443.40 : x
  2. Step 2: Convert to fraction form
    90,993,403.40/136,490,105.10 = 29,582,443.40/x
  3. Step 3: Cross multiply
    90,993,403.40x = 136,490,105.10 × 29,582,443.40
  4. Step 4: Simplify right side
    90,993,403.40x = 4,037,710,808,780,801
  5. Step 5: Solve for x
    x = 4,037,710,808,780,801/90,993,403.40
  6. Step 6: Final answer
    x = 44,373,665.10

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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.