Home / 81,484,281.44-122,224,646.64-38,329,564.88

Finding the Fourth Proportional to 81,484,281.44, 122,224,646.64 and 38,329,564.88

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Solution

The fourth proportional to 81,484,281.44, 122,224,646.64 and 38,329,564.88 is: 57,493,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,484,281.44 : 122,224,646.64 = 38,329,564.88 : x
  2. Step 2: Convert to fraction form
    81,484,281.44/122,224,646.64 = 38,329,564.88/x
  3. Step 3: Cross multiply
    81,484,281.44x = 122,224,646.64 × 38,329,564.88
  4. Step 4: Simplify right side
    81,484,281.44x = 4,684,817,523,322,954
  5. Step 5: Solve for x
    x = 4,684,817,523,322,954/81,484,281.44
  6. Step 6: Final answer
    x = 57,493,512.13

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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.