Home / 86,164,829.80-129,310,230.30-60,655,661.80

Finding the Fourth Proportional to 86,164,829.80, 129,310,230.30 and 60,655,661.80

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Solution

The fourth proportional to 86,164,829.80, 129,310,230.30 and 60,655,661.80 is: 91,027,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,164,829.80 : 129,310,230.30 = 60,655,661.80 : x
  2. Step 2: Convert to fraction form
    86,164,829.80/129,310,230.30 = 60,655,661.80/x
  3. Step 3: Cross multiply
    86,164,829.80x = 129,310,230.30 × 60,655,661.80
  4. Step 4: Simplify right side
    86,164,829.80x = 7,843,397,596,356,912
  5. Step 5: Solve for x
    x = 7,843,397,596,356,912/86,164,829.80
  6. Step 6: Final answer
    x = 91,027,831.36

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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.