Home / 165,279,927.20-247,919,890.80-155,202,231.20

Finding the Fourth Proportional to 165,279,927.20, 247,919,890.80 and 155,202,231.20

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Solution

The fourth proportional to 165,279,927.20, 247,919,890.80 and 155,202,231.20 is: 232,803,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,279,927.20 : 247,919,890.80 = 155,202,231.20 : x
  2. Step 2: Convert to fraction form
    165,279,927.20/247,919,890.80 = 155,202,231.20/x
  3. Step 3: Cross multiply
    165,279,927.20x = 247,919,890.80 × 155,202,231.20
  4. Step 4: Simplify right side
    165,279,927.20x = 38,477,720,211,020,352
  5. Step 5: Solve for x
    x = 38,477,720,211,020,352/165,279,927.20
  6. Step 6: Final answer
    x = 232,803,346.80

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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.