Home / 147,233,799.20-220,848,625.20-66,454,637.60

Finding the Fourth Proportional to 147,233,799.20, 220,848,625.20 and 66,454,637.60

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Solution

The fourth proportional to 147,233,799.20, 220,848,625.20 and 66,454,637.60 is: 99,681,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,233,799.20 : 220,848,625.20 = 66,454,637.60 : x
  2. Step 2: Convert to fraction form
    147,233,799.20/220,848,625.20 = 66,454,637.60/x
  3. Step 3: Cross multiply
    147,233,799.20x = 220,848,625.20 × 66,454,637.60
  4. Step 4: Simplify right side
    147,233,799.20x = 14,676,415,352,124,228
  5. Step 5: Solve for x
    x = 14,676,415,352,124,228/147,233,799.20
  6. Step 6: Final answer
    x = 99,681,020.47

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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.