Home / 120,226,497.32-180,227,552.52-47,443,880.72

Finding the Fourth Proportional to 120,226,497.32, 180,227,552.52 and 47,443,880.72

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Solution

The fourth proportional to 120,226,497.32, 180,227,552.52 and 47,443,880.72 is: 71,121,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,226,497.32 : 180,227,552.52 = 47,443,880.72 : x
  2. Step 2: Convert to fraction form
    120,226,497.32/180,227,552.52 = 47,443,880.72/x
  3. Step 3: Cross multiply
    120,226,497.32x = 180,227,552.52 × 47,443,880.72
  4. Step 4: Simplify right side
    120,226,497.32x = 8,550,694,504,216,416
  5. Step 5: Solve for x
    x = 8,550,694,504,216,416/120,226,497.32
  6. Step 6: Final answer
    x = 71,121,547.20

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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.