Home / 49,648,400.86-68,486,262.66-31,031,231.21

Finding the Fourth Proportional to 49,648,400.86, 68,486,262.66 and 31,031,231.21

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Solution

The fourth proportional to 49,648,400.86, 68,486,262.66 and 31,031,231.21 is: 42,805,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,648,400.86 : 68,486,262.66 = 31,031,231.21 : x
  2. Step 2: Convert to fraction form
    49,648,400.86/68,486,262.66 = 31,031,231.21/x
  3. Step 3: Cross multiply
    49,648,400.86x = 68,486,262.66 × 31,031,231.21
  4. Step 4: Simplify right side
    49,648,400.86x = 2,125,213,051,156,093.50
  5. Step 5: Solve for x
    x = 2,125,213,051,156,093.50/49,648,400.86
  6. Step 6: Final answer
    x = 42,805,266.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.