Home / 129,353,659.20-194,030,488.80-61,329,211.20

Finding the Fourth Proportional to 129,353,659.20, 194,030,488.80 and 61,329,211.20

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Solution

The fourth proportional to 129,353,659.20, 194,030,488.80 and 61,329,211.20 is: 91,993,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,353,659.20 : 194,030,488.80 = 61,329,211.20 : x
  2. Step 2: Convert to fraction form
    129,353,659.20/194,030,488.80 = 61,329,211.20/x
  3. Step 3: Cross multiply
    129,353,659.20x = 194,030,488.80 × 61,329,211.20
  4. Step 4: Simplify right side
    129,353,659.20x = 11,899,736,826,854,436
  5. Step 5: Solve for x
    x = 11,899,736,826,854,436/129,353,659.20
  6. Step 6: Final answer
    x = 91,993,816.80

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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.