Home / 40,886,856.80-61,330,285.20-38,367,432.80

Finding the Fourth Proportional to 40,886,856.80, 61,330,285.20 and 38,367,432.80

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Solution

The fourth proportional to 40,886,856.80, 61,330,285.20 and 38,367,432.80 is: 57,551,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,886,856.80 : 61,330,285.20 = 38,367,432.80 : x
  2. Step 2: Convert to fraction form
    40,886,856.80/61,330,285.20 = 38,367,432.80/x
  3. Step 3: Cross multiply
    40,886,856.80x = 61,330,285.20 × 38,367,432.80
  4. Step 4: Simplify right side
    40,886,856.80x = 2,353,085,596,015,834.50
  5. Step 5: Solve for x
    x = 2,353,085,596,015,834.50/40,886,856.80
  6. Step 6: Final answer
    x = 57,551,149.20

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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.