Home / 139,131,490.80-208,697,236.20-88,071,164.40

Finding the Fourth Proportional to 139,131,490.80, 208,697,236.20 and 88,071,164.40

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Solution

The fourth proportional to 139,131,490.80, 208,697,236.20 and 88,071,164.40 is: 132,106,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,131,490.80 : 208,697,236.20 = 88,071,164.40 : x
  2. Step 2: Convert to fraction form
    139,131,490.80/208,697,236.20 = 88,071,164.40/x
  3. Step 3: Cross multiply
    139,131,490.80x = 208,697,236.20 × 88,071,164.40
  4. Step 4: Simplify right side
    139,131,490.80x = 18,380,208,599,195,832
  5. Step 5: Solve for x
    x = 18,380,208,599,195,832/139,131,490.80
  6. Step 6: Final answer
    x = 132,106,746.60

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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.