Home / 81,182,762.91-112,048,488.45-48,161,341.04

Finding the Fourth Proportional to 81,182,762.91, 112,048,488.45 and 48,161,341.04

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Solution

The fourth proportional to 81,182,762.91, 112,048,488.45 and 48,161,341.04 is: 66,472,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,762.91 : 112,048,488.45 = 48,161,341.04 : x
  2. Step 2: Convert to fraction form
    81,182,762.91/112,048,488.45 = 48,161,341.04/x
  3. Step 3: Cross multiply
    81,182,762.91x = 112,048,488.45 × 48,161,341.04
  4. Step 4: Simplify right side
    81,182,762.91x = 5,396,405,464,696,708
  5. Step 5: Solve for x
    x = 5,396,405,464,696,708/81,182,762.91
  6. Step 6: Final answer
    x = 66,472,306.08

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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.