Home / 179,287,432.75-247,414,142.22-99,905,840.01

Finding the Fourth Proportional to 179,287,432.75, 247,414,142.22 and 99,905,840.01

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Solution

The fourth proportional to 179,287,432.75, 247,414,142.22 and 99,905,840.01 is: 137,868,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,287,432.75 : 247,414,142.22 = 99,905,840.01 : x
  2. Step 2: Convert to fraction form
    179,287,432.75/247,414,142.22 = 99,905,840.01/x
  3. Step 3: Cross multiply
    179,287,432.75x = 247,414,142.22 × 99,905,840.01
  4. Step 4: Simplify right side
    179,287,432.75x = 24,718,117,708,469,060
  5. Step 5: Solve for x
    x = 24,718,117,708,469,060/179,287,432.75
  6. Step 6: Final answer
    x = 137,868,657.77

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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.