Home / 82,090,254.30-123,054,165.45-38,883,515.10

Finding the Fourth Proportional to 82,090,254.30, 123,054,165.45 and 38,883,515.10

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Solution

The fourth proportional to 82,090,254.30, 123,054,165.45 and 38,883,515.10 is: 58,286,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,090,254.30 : 123,054,165.45 = 38,883,515.10 : x
  2. Step 2: Convert to fraction form
    82,090,254.30/123,054,165.45 = 38,883,515.10/x
  3. Step 3: Cross multiply
    82,090,254.30x = 123,054,165.45 × 38,883,515.10
  4. Step 4: Simplify right side
    82,090,254.30x = 4,784,778,500,392,974
  5. Step 5: Solve for x
    x = 4,784,778,500,392,974/82,090,254.30
  6. Step 6: Final answer
    x = 58,286,803.24

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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.