Home / 90,837,002.24-136,205,091.84-30,219,637.76

Finding the Fourth Proportional to 90,837,002.24, 136,205,091.84 and 30,219,637.76

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Solution

The fourth proportional to 90,837,002.24, 136,205,091.84 and 30,219,637.76 is: 45,312,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,837,002.24 : 136,205,091.84 = 30,219,637.76 : x
  2. Step 2: Convert to fraction form
    90,837,002.24/136,205,091.84 = 30,219,637.76/x
  3. Step 3: Cross multiply
    90,837,002.24x = 136,205,091.84 × 30,219,637.76
  4. Step 4: Simplify right side
    90,837,002.24x = 4,116,068,536,472,332
  5. Step 5: Solve for x
    x = 4,116,068,536,472,332/90,837,002.24
  6. Step 6: Final answer
    x = 45,312,685.74

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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.