Home / 82,138,079.80-123,165,601.62-48,069,661.24

Finding the Fourth Proportional to 82,138,079.80, 123,165,601.62 and 48,069,661.24

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Solution

The fourth proportional to 82,138,079.80, 123,165,601.62 and 48,069,661.24 is: 72,080,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,138,079.80 : 123,165,601.62 = 48,069,661.24 : x
  2. Step 2: Convert to fraction form
    82,138,079.80/123,165,601.62 = 48,069,661.24/x
  3. Step 3: Cross multiply
    82,138,079.80x = 123,165,601.62 × 48,069,661.24
  4. Step 4: Simplify right side
    82,138,079.80x = 5,920,528,746,294,196
  5. Step 5: Solve for x
    x = 5,920,528,746,294,196/82,138,079.80
  6. Step 6: Final answer
    x = 72,080,194.24

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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.