Home / 220,748,021.20-331,173,266-75,182,843.68

Finding the Fourth Proportional to 220,748,021.20, 331,173,266 and 75,182,843.68

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Solution

The fourth proportional to 220,748,021.20, 331,173,266 and 75,182,843.68 is: 112,791,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,748,021.20 : 331,173,266 = 75,182,843.68 : x
  2. Step 2: Convert to fraction form
    220,748,021.20/331,173,266 = 75,182,843.68/x
  3. Step 3: Cross multiply
    220,748,021.20x = 331,173,266 × 75,182,843.68
  4. Step 4: Simplify right side
    220,748,021.20x = 24,898,547,888,673,060
  5. Step 5: Solve for x
    x = 24,898,547,888,673,060/220,748,021.20
  6. Step 6: Final answer
    x = 112,791,714.98

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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.