Home / 82,990,285.10-124,401,446.85-48,894,080.30

Finding the Fourth Proportional to 82,990,285.10, 124,401,446.85 and 48,894,080.30

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Solution

The fourth proportional to 82,990,285.10, 124,401,446.85 and 48,894,080.30 is: 73,291,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,990,285.10 : 124,401,446.85 = 48,894,080.30 : x
  2. Step 2: Convert to fraction form
    82,990,285.10/124,401,446.85 = 48,894,080.30/x
  3. Step 3: Cross multiply
    82,990,285.10x = 124,401,446.85 × 48,894,080.30
  4. Step 4: Simplify right side
    82,990,285.10x = 6,082,494,331,720,081
  5. Step 5: Solve for x
    x = 6,082,494,331,720,081/82,990,285.10
  6. Step 6: Final answer
    x = 73,291,642.80

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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.