Home / 177,147,800.80-265,721,701.20-91,054,358.80

Finding the Fourth Proportional to 177,147,800.80, 265,721,701.20 and 91,054,358.80

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Solution

The fourth proportional to 177,147,800.80, 265,721,701.20 and 91,054,358.80 is: 136,581,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,800.80 : 265,721,701.20 = 91,054,358.80 : x
  2. Step 2: Convert to fraction form
    177,147,800.80/265,721,701.20 = 91,054,358.80/x
  3. Step 3: Cross multiply
    177,147,800.80x = 265,721,701.20 × 91,054,358.80
  4. Step 4: Simplify right side
    177,147,800.80x = 24,195,119,122,011,188
  5. Step 5: Solve for x
    x = 24,195,119,122,011,188/177,147,800.80
  6. Step 6: Final answer
    x = 136,581,538.20

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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.