Home / 361,983,139.20-542,974,708.80-89,353,906.20

Finding the Fourth Proportional to 361,983,139.20, 542,974,708.80 and 89,353,906.20

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Solution

The fourth proportional to 361,983,139.20, 542,974,708.80 and 89,353,906.20 is: 134,030,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,983,139.20 : 542,974,708.80 = 89,353,906.20 : x
  2. Step 2: Convert to fraction form
    361,983,139.20/542,974,708.80 = 89,353,906.20/x
  3. Step 3: Cross multiply
    361,983,139.20x = 542,974,708.80 × 89,353,906.20
  4. Step 4: Simplify right side
    361,983,139.20x = 48,516,911,199,087,512
  5. Step 5: Solve for x
    x = 48,516,911,199,087,512/361,983,139.20
  6. Step 6: Final answer
    x = 134,030,859.30

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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.