Home / 216,154,710.69-324,251,998.15-70,589,034.98

Finding the Fourth Proportional to 216,154,710.69, 324,251,998.15 and 70,589,034.98

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Solution

The fourth proportional to 216,154,710.69, 324,251,998.15 and 70,589,034.98 is: 105,890,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,154,710.69 : 324,251,998.15 = 70,589,034.98 : x
  2. Step 2: Convert to fraction form
    216,154,710.69/324,251,998.15 = 70,589,034.98/x
  3. Step 3: Cross multiply
    216,154,710.69x = 324,251,998.15 × 70,589,034.98
  4. Step 4: Simplify right side
    216,154,710.69x = 22,888,635,640,379,400
  5. Step 5: Solve for x
    x = 22,888,635,640,379,400/216,154,710.69
  6. Step 6: Final answer
    x = 105,890,061.65

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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.