Home / 149,724,005.40-224,586,008.10-127,805,016.60

Finding the Fourth Proportional to 149,724,005.40, 224,586,008.10 and 127,805,016.60

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Solution

The fourth proportional to 149,724,005.40, 224,586,008.10 and 127,805,016.60 is: 191,707,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,724,005.40 : 224,586,008.10 = 127,805,016.60 : x
  2. Step 2: Convert to fraction form
    149,724,005.40/224,586,008.10 = 127,805,016.60/x
  3. Step 3: Cross multiply
    149,724,005.40x = 224,586,008.10 × 127,805,016.60
  4. Step 4: Simplify right side
    149,724,005.40x = 28,703,218,493,348,232
  5. Step 5: Solve for x
    x = 28,703,218,493,348,232/149,724,005.40
  6. Step 6: Final answer
    x = 191,707,524.90

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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.