Home / 211,220,401.60-316,886,589.60-74,891,569.60

Finding the Fourth Proportional to 211,220,401.60, 316,886,589.60 and 74,891,569.60

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Solution

The fourth proportional to 211,220,401.60, 316,886,589.60 and 74,891,569.60 is: 112,357,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,220,401.60 : 316,886,589.60 = 74,891,569.60 : x
  2. Step 2: Convert to fraction form
    211,220,401.60/316,886,589.60 = 74,891,569.60/x
  3. Step 3: Cross multiply
    211,220,401.60x = 316,886,589.60 × 74,891,569.60
  4. Step 4: Simplify right side
    211,220,401.60x = 23,732,134,080,335,036
  5. Step 5: Solve for x
    x = 23,732,134,080,335,036/211,220,401.60
  6. Step 6: Final answer
    x = 112,357,205.56

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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.