Home / 147,619,489.40-221,428,067.70-38,444,449.40

Finding the Fourth Proportional to 147,619,489.40, 221,428,067.70 and 38,444,449.40

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Solution

The fourth proportional to 147,619,489.40, 221,428,067.70 and 38,444,449.40 is: 57,666,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,619,489.40 : 221,428,067.70 = 38,444,449.40 : x
  2. Step 2: Convert to fraction form
    147,619,489.40/221,428,067.70 = 38,444,449.40/x
  3. Step 3: Cross multiply
    147,619,489.40x = 221,428,067.70 × 38,444,449.40
  4. Step 4: Simplify right side
    147,619,489.40x = 8,512,680,144,432,424
  5. Step 5: Solve for x
    x = 8,512,680,144,432,424/147,619,489.40
  6. Step 6: Final answer
    x = 57,666,370.34

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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.