Home / 139,724,116.40-209,586,174.60-88,705,780.40

Finding the Fourth Proportional to 139,724,116.40, 209,586,174.60 and 88,705,780.40

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Solution

The fourth proportional to 139,724,116.40, 209,586,174.60 and 88,705,780.40 is: 133,058,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,724,116.40 : 209,586,174.60 = 88,705,780.40 : x
  2. Step 2: Convert to fraction form
    139,724,116.40/209,586,174.60 = 88,705,780.40/x
  3. Step 3: Cross multiply
    139,724,116.40x = 209,586,174.60 × 88,705,780.40
  4. Step 4: Simplify right side
    139,724,116.40x = 18,591,505,178,943,660
  5. Step 5: Solve for x
    x = 18,591,505,178,943,660/139,724,116.40
  6. Step 6: Final answer
    x = 133,058,670.60

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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.