Home / 86,098,329.52-129,079,292.68-42,945,320.32

Finding the Fourth Proportional to 86,098,329.52, 129,079,292.68 and 42,945,320.32

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Solution

The fourth proportional to 86,098,329.52, 129,079,292.68 and 42,945,320.32 is: 64,383,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098,329.52 : 129,079,292.68 = 42,945,320.32 : x
  2. Step 2: Convert to fraction form
    86,098,329.52/129,079,292.68 = 42,945,320.32/x
  3. Step 3: Cross multiply
    86,098,329.52x = 129,079,292.68 × 42,945,320.32
  4. Step 4: Simplify right side
    86,098,329.52x = 5,543,351,570,821,632
  5. Step 5: Solve for x
    x = 5,543,351,570,821,632/86,098,329.52
  6. Step 6: Final answer
    x = 64,383,961.94

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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.