Home / 86,726,617.02-129,974,334.08-45,776,429.55

Finding the Fourth Proportional to 86,726,617.02, 129,974,334.08 and 45,776,429.55

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Solution

The fourth proportional to 86,726,617.02, 129,974,334.08 and 45,776,429.55 is: 68,603,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,726,617.02 : 129,974,334.08 = 45,776,429.55 : x
  2. Step 2: Convert to fraction form
    86,726,617.02/129,974,334.08 = 45,776,429.55/x
  3. Step 3: Cross multiply
    86,726,617.02x = 129,974,334.08 × 45,776,429.55
  4. Step 4: Simplify right side
    86,726,617.02x = 5,949,760,947,092,402
  5. Step 5: Solve for x
    x = 5,949,760,947,092,402/86,726,617.02
  6. Step 6: Final answer
    x = 68,603,632.33

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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.