Home / 38,862,309.40-58,256,139.30-30,221,618.20

Finding the Fourth Proportional to 38,862,309.40, 58,256,139.30 and 30,221,618.20

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Solution

The fourth proportional to 38,862,309.40, 58,256,139.30 and 30,221,618.20 is: 45,303,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862,309.40 : 58,256,139.30 = 30,221,618.20 : x
  2. Step 2: Convert to fraction form
    38,862,309.40/58,256,139.30 = 30,221,618.20/x
  3. Step 3: Cross multiply
    38,862,309.40x = 58,256,139.30 × 30,221,618.20
  4. Step 4: Simplify right side
    38,862,309.40x = 1,760,594,799,730,615.25
  5. Step 5: Solve for x
    x = 1,760,594,799,730,615.25/38,862,309.40
  6. Step 6: Final answer
    x = 45,303,401.34

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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.