Home / 126,311,949.07-189,272,628.76-98,580,112.32

Finding the Fourth Proportional to 126,311,949.07, 189,272,628.76 and 98,580,112.32

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Solution

The fourth proportional to 126,311,949.07, 189,272,628.76 and 98,580,112.32 is: 147,717,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311,949.07 : 189,272,628.76 = 98,580,112.32 : x
  2. Step 2: Convert to fraction form
    126,311,949.07/189,272,628.76 = 98,580,112.32/x
  3. Step 3: Cross multiply
    126,311,949.07x = 189,272,628.76 × 98,580,112.32
  4. Step 4: Simplify right side
    126,311,949.07x = 18,658,517,002,262,460
  5. Step 5: Solve for x
    x = 18,658,517,002,262,460/126,311,949.07
  6. Step 6: Final answer
    x = 147,717,750.69

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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.