Home / 81,484,346.69-122,224,744.52-38,329,630.01

Finding the Fourth Proportional to 81,484,346.69, 122,224,744.52 and 38,329,630.01

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Solution

The fourth proportional to 81,484,346.69, 122,224,744.52 and 38,329,630.01 is: 57,493,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,484,346.69 : 122,224,744.52 = 38,329,630.01 : x
  2. Step 2: Convert to fraction form
    81,484,346.69/122,224,744.52 = 38,329,630.01/x
  3. Step 3: Cross multiply
    81,484,346.69x = 122,224,744.52 × 38,329,630.01
  4. Step 4: Simplify right side
    81,484,346.69x = 4,684,829,235,326,727
  5. Step 5: Solve for x
    x = 4,684,829,235,326,727/81,484,346.69
  6. Step 6: Final answer
    x = 57,493,609.82

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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.