Home / 129,470,230.80-194,205,346.20-52,751,437.20

Finding the Fourth Proportional to 129,470,230.80, 194,205,346.20 and 52,751,437.20

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Solution

The fourth proportional to 129,470,230.80, 194,205,346.20 and 52,751,437.20 is: 79,127,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,470,230.80 : 194,205,346.20 = 52,751,437.20 : x
  2. Step 2: Convert to fraction form
    129,470,230.80/194,205,346.20 = 52,751,437.20/x
  3. Step 3: Cross multiply
    129,470,230.80x = 194,205,346.20 × 52,751,437.20
  4. Step 4: Simplify right side
    129,470,230.80x = 10,244,611,123,973,558
  5. Step 5: Solve for x
    x = 10,244,611,123,973,558/129,470,230.80
  6. Step 6: Final answer
    x = 79,127,155.80

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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.