Home / 86,454,710.40-129,474,268.32-49,454,422.80

Finding the Fourth Proportional to 86,454,710.40, 129,474,268.32 and 49,454,422.80

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Solution

The fourth proportional to 86,454,710.40, 129,474,268.32 and 49,454,422.80 is: 74,062,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454,710.40 : 129,474,268.32 = 49,454,422.80 : x
  2. Step 2: Convert to fraction form
    86,454,710.40/129,474,268.32 = 49,454,422.80/x
  3. Step 3: Cross multiply
    86,454,710.40x = 129,474,268.32 × 49,454,422.80
  4. Step 4: Simplify right side
    86,454,710.40x = 6,403,075,207,217,925
  5. Step 5: Solve for x
    x = 6,403,075,207,217,925/86,454,710.40
  6. Step 6: Final answer
    x = 74,062,768.56

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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.