Home / 187,327,432.11-280,989,571.89-146,421,278.67

Finding the Fourth Proportional to 187,327,432.11, 280,989,571.89 and 146,421,278.67

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Solution

The fourth proportional to 187,327,432.11, 280,989,571.89 and 146,421,278.67 is: 219,630,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,327,432.11 : 280,989,571.89 = 146,421,278.67 : x
  2. Step 2: Convert to fraction form
    187,327,432.11/280,989,571.89 = 146,421,278.67/x
  3. Step 3: Cross multiply
    187,327,432.11x = 280,989,571.89 × 146,421,278.67
  4. Step 4: Simplify right side
    187,327,432.11x = 41,142,852,409,069,680
  5. Step 5: Solve for x
    x = 41,142,852,409,069,680/187,327,432.11
  6. Step 6: Final answer
    x = 219,630,685.94

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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.