Home / 86,164,889.80-129,310,320.30-60,655,721.80

Finding the Fourth Proportional to 86,164,889.80, 129,310,320.30 and 60,655,721.80

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Solution

The fourth proportional to 86,164,889.80, 129,310,320.30 and 60,655,721.80 is: 91,027,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,164,889.80 : 129,310,320.30 = 60,655,721.80 : x
  2. Step 2: Convert to fraction form
    86,164,889.80/129,310,320.30 = 60,655,721.80/x
  3. Step 3: Cross multiply
    86,164,889.80x = 129,310,320.30 × 60,655,721.80
  4. Step 4: Simplify right side
    86,164,889.80x = 7,843,410,813,985,692
  5. Step 5: Solve for x
    x = 7,843,410,813,985,692/86,164,889.80
  6. Step 6: Final answer
    x = 91,027,921.37

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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.