Home / 81,182,753.89-112,048,476.02-48,161,332.01

Finding the Fourth Proportional to 81,182,753.89, 112,048,476.02 and 48,161,332.01

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Solution

The fourth proportional to 81,182,753.89, 112,048,476.02 and 48,161,332.01 is: 66,472,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,753.89 : 112,048,476.02 = 48,161,332.01 : x
  2. Step 2: Convert to fraction form
    81,182,753.89/112,048,476.02 = 48,161,332.01/x
  3. Step 3: Cross multiply
    81,182,753.89x = 112,048,476.02 × 48,161,332.01
  4. Step 4: Simplify right side
    81,182,753.89x = 5,396,403,855,033,663
  5. Step 5: Solve for x
    x = 5,396,403,855,033,663/81,182,753.89
  6. Step 6: Final answer
    x = 66,472,293.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.