Home / 177,147,526.80-265,721,290.20-80,106,400.20

Finding the Fourth Proportional to 177,147,526.80, 265,721,290.20 and 80,106,400.20

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Solution

The fourth proportional to 177,147,526.80, 265,721,290.20 and 80,106,400.20 is: 120,159,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,526.80 : 265,721,290.20 = 80,106,400.20 : x
  2. Step 2: Convert to fraction form
    177,147,526.80/265,721,290.20 = 80,106,400.20/x
  3. Step 3: Cross multiply
    177,147,526.80x = 265,721,290.20 × 80,106,400.20
  4. Step 4: Simplify right side
    177,147,526.80x = 21,285,976,014,421,536
  5. Step 5: Solve for x
    x = 21,285,976,014,421,536/177,147,526.80
  6. Step 6: Final answer
    x = 120,159,600.30

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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.