Home / 149,690,559.40-224,766,786.30-81,666,111.40

Finding the Fourth Proportional to 149,690,559.40, 224,766,786.30 and 81,666,111.40

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Solution

The fourth proportional to 149,690,559.40, 224,766,786.30 and 81,666,111.40 is: 122,625,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,690,559.40 : 224,766,786.30 = 81,666,111.40 : x
  2. Step 2: Convert to fraction form
    149,690,559.40/224,766,786.30 = 81,666,111.40/x
  3. Step 3: Cross multiply
    149,690,559.40x = 224,766,786.30 × 81,666,111.40
  4. Step 4: Simplify right side
    149,690,559.40x = 18,355,829,408,995,796
  5. Step 5: Solve for x
    x = 18,355,829,408,995,796/149,690,559.40
  6. Step 6: Final answer
    x = 122,625,164.09

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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.