Home / 177,152,871.20-265,729,306.80-131,803,239.20

Finding the Fourth Proportional to 177,152,871.20, 265,729,306.80 and 131,803,239.20

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Solution

The fourth proportional to 177,152,871.20, 265,729,306.80 and 131,803,239.20 is: 197,704,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,152,871.20 : 265,729,306.80 = 131,803,239.20 : x
  2. Step 2: Convert to fraction form
    177,152,871.20/265,729,306.80 = 131,803,239.20/x
  3. Step 3: Cross multiply
    177,152,871.20x = 265,729,306.80 × 131,803,239.20
  4. Step 4: Simplify right side
    177,152,871.20x = 35,023,983,386,610,588
  5. Step 5: Solve for x
    x = 35,023,983,386,610,588/177,152,871.20
  6. Step 6: Final answer
    x = 197,704,858.80

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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.