Home / 81,717,172.80-112,768,764.76-44,546,632.88

Finding the Fourth Proportional to 81,717,172.80, 112,768,764.76 and 44,546,632.88

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Solution

The fourth proportional to 81,717,172.80, 112,768,764.76 and 44,546,632.88 is: 61,473,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717,172.80 : 112,768,764.76 = 44,546,632.88 : x
  2. Step 2: Convert to fraction form
    81,717,172.80/112,768,764.76 = 44,546,632.88/x
  3. Step 3: Cross multiply
    81,717,172.80x = 112,768,764.76 × 44,546,632.88
  4. Step 4: Simplify right side
    81,717,172.80x = 5,023,468,764,094,802
  5. Step 5: Solve for x
    x = 5,023,468,764,094,802/81,717,172.80
  6. Step 6: Final answer
    x = 61,473,844.38

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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.