Home / 66,312,975.12-99,003,200.96-50,668,929.78

Finding the Fourth Proportional to 66,312,975.12, 99,003,200.96 and 50,668,929.78

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Solution

The fourth proportional to 66,312,975.12, 99,003,200.96 and 50,668,929.78 is: 75,647,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312,975.12 : 99,003,200.96 = 50,668,929.78 : x
  2. Step 2: Convert to fraction form
    66,312,975.12/99,003,200.96 = 50,668,929.78/x
  3. Step 3: Cross multiply
    66,312,975.12x = 99,003,200.96 × 50,668,929.78
  4. Step 4: Simplify right side
    66,312,975.12x = 5,016,386,237,437,468
  5. Step 5: Solve for x
    x = 5,016,386,237,437,468/66,312,975.12
  6. Step 6: Final answer
    x = 75,647,129.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.