Home / 52,761,662.40-79,150,366.80-18,680,329.20

Finding the Fourth Proportional to 52,761,662.40, 79,150,366.80 and 18,680,329.20

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Solution

The fourth proportional to 52,761,662.40, 79,150,366.80 and 18,680,329.20 is: 28,023,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761,662.40 : 79,150,366.80 = 18,680,329.20 : x
  2. Step 2: Convert to fraction form
    52,761,662.40/79,150,366.80 = 18,680,329.20/x
  3. Step 3: Cross multiply
    52,761,662.40x = 79,150,366.80 × 18,680,329.20
  4. Step 4: Simplify right side
    52,761,662.40x = 1,478,554,908,124,750.50
  5. Step 5: Solve for x
    x = 1,478,554,908,124,750.50/52,761,662.40
  6. Step 6: Final answer
    x = 28,023,281.32

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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.