Home / 80,863,237.20-121,336,846.20-35,429,624.40

Finding the Fourth Proportional to 80,863,237.20, 121,336,846.20 and 35,429,624.40

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Solution

The fourth proportional to 80,863,237.20, 121,336,846.20 and 35,429,624.40 is: 53,162,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863,237.20 : 121,336,846.20 = 35,429,624.40 : x
  2. Step 2: Convert to fraction form
    80,863,237.20/121,336,846.20 = 35,429,624.40/x
  3. Step 3: Cross multiply
    80,863,237.20x = 121,336,846.20 × 35,429,624.40
  4. Step 4: Simplify right side
    80,863,237.20x = 4,298,918,886,746,567
  5. Step 5: Solve for x
    x = 4,298,918,886,746,567/80,863,237.20
  6. Step 6: Final answer
    x = 53,162,834.38

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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.