Home / 90,716,031.40-136,074,047.10-33,210,178.60

Finding the Fourth Proportional to 90,716,031.40, 136,074,047.10 and 33,210,178.60

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Solution

The fourth proportional to 90,716,031.40, 136,074,047.10 and 33,210,178.60 is: 49,815,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,716,031.40 : 136,074,047.10 = 33,210,178.60 : x
  2. Step 2: Convert to fraction form
    90,716,031.40/136,074,047.10 = 33,210,178.60/x
  3. Step 3: Cross multiply
    90,716,031.40x = 136,074,047.10 × 33,210,178.60
  4. Step 4: Simplify right side
    90,716,031.40x = 4,519,043,407,015,812
  5. Step 5: Solve for x
    x = 4,519,043,407,015,812/90,716,031.40
  6. Step 6: Final answer
    x = 49,815,267.90

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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.