Home / 75,672,728.86-104,428,363.97-40,865,416.45

Finding the Fourth Proportional to 75,672,728.86, 104,428,363.97 and 40,865,416.45

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Solution

The fourth proportional to 75,672,728.86, 104,428,363.97 and 40,865,416.45 is: 56,394,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672,728.86 : 104,428,363.97 = 40,865,416.45 : x
  2. Step 2: Convert to fraction form
    75,672,728.86/104,428,363.97 = 40,865,416.45/x
  3. Step 3: Cross multiply
    75,672,728.86x = 104,428,363.97 × 40,865,416.45
  4. Step 4: Simplify right side
    75,672,728.86x = 4,267,508,582,826,225.50
  5. Step 5: Solve for x
    x = 4,267,508,582,826,225.50/75,672,728.86
  6. Step 6: Final answer
    x = 56,394,273.70

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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.