Home / 92,766,612.48-139,126,926.33-31,354,407.78

Finding the Fourth Proportional to 92,766,612.48, 139,126,926.33 and 31,354,407.78

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Solution

The fourth proportional to 92,766,612.48, 139,126,926.33 and 31,354,407.78 is: 47,023,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,766,612.48 : 139,126,926.33 = 31,354,407.78 : x
  2. Step 2: Convert to fraction form
    92,766,612.48/139,126,926.33 = 31,354,407.78/x
  3. Step 3: Cross multiply
    92,766,612.48x = 139,126,926.33 × 31,354,407.78
  4. Step 4: Simplify right side
    92,766,612.48x = 4,362,242,381,328,839.50
  5. Step 5: Solve for x
    x = 4,362,242,381,328,839.50/92,766,612.48
  6. Step 6: Final answer
    x = 47,023,840.42

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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.