Home / 177,159,734.80-265,739,602.20-81,608,246.80

Finding the Fourth Proportional to 177,159,734.80, 265,739,602.20 and 81,608,246.80

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Solution

The fourth proportional to 177,159,734.80, 265,739,602.20 and 81,608,246.80 is: 122,412,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,159,734.80 : 265,739,602.20 = 81,608,246.80 : x
  2. Step 2: Convert to fraction form
    177,159,734.80/265,739,602.20 = 81,608,246.80/x
  3. Step 3: Cross multiply
    177,159,734.80x = 265,739,602.20 × 81,608,246.80
  4. Step 4: Simplify right side
    177,159,734.80x = 21,686,543,040,871,420
  5. Step 5: Solve for x
    x = 21,686,543,040,871,420/177,159,734.80
  6. Step 6: Final answer
    x = 122,412,370.20

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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.