Home / 177,731,140.92-266,500,854.72-80,633,868.36

Finding the Fourth Proportional to 177,731,140.92, 266,500,854.72 and 80,633,868.36

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Solution

The fourth proportional to 177,731,140.92, 266,500,854.72 and 80,633,868.36 is: 120,907,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,731,140.92 : 266,500,854.72 = 80,633,868.36 : x
  2. Step 2: Convert to fraction form
    177,731,140.92/266,500,854.72 = 80,633,868.36/x
  3. Step 3: Cross multiply
    177,731,140.92x = 266,500,854.72 × 80,633,868.36
  4. Step 4: Simplify right side
    177,731,140.92x = 21,488,994,837,319,964
  5. Step 5: Solve for x
    x = 21,488,994,837,319,964/177,731,140.92
  6. Step 6: Final answer
    x = 120,907,313.86

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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.