Home / 66,823,892.20-100,235,838.30-53,386,964.20

Finding the Fourth Proportional to 66,823,892.20, 100,235,838.30 and 53,386,964.20

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Solution

The fourth proportional to 66,823,892.20, 100,235,838.30 and 53,386,964.20 is: 80,080,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,823,892.20 : 100,235,838.30 = 53,386,964.20 : x
  2. Step 2: Convert to fraction form
    66,823,892.20/100,235,838.30 = 53,386,964.20/x
  3. Step 3: Cross multiply
    66,823,892.20x = 100,235,838.30 × 53,386,964.20
  4. Step 4: Simplify right side
    66,823,892.20x = 5,351,287,110,879,089
  5. Step 5: Solve for x
    x = 5,351,287,110,879,089/66,823,892.20
  6. Step 6: Final answer
    x = 80,080,446.30

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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.