Home / 90,887,303.40-136,331,646.30-30,302,932.20

Finding the Fourth Proportional to 90,887,303.40, 136,331,646.30 and 30,302,932.20

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Solution

The fourth proportional to 90,887,303.40, 136,331,646.30 and 30,302,932.20 is: 45,454,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,887,303.40 : 136,331,646.30 = 30,302,932.20 : x
  2. Step 2: Convert to fraction form
    90,887,303.40/136,331,646.30 = 30,302,932.20/x
  3. Step 3: Cross multiply
    90,887,303.40x = 136,331,646.30 × 30,302,932.20
  4. Step 4: Simplify right side
    90,887,303.40x = 4,131,248,634,543,281
  5. Step 5: Solve for x
    x = 4,131,248,634,543,281/90,887,303.40
  6. Step 6: Final answer
    x = 45,454,628.75

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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.