Home / 126,746,937.07-189,792,974.83-87,476,367.32

Finding the Fourth Proportional to 126,746,937.07, 189,792,974.83 and 87,476,367.32

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Solution

The fourth proportional to 126,746,937.07, 189,792,974.83 and 87,476,367.32 is: 130,988,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,746,937.07 : 189,792,974.83 = 87,476,367.32 : x
  2. Step 2: Convert to fraction form
    126,746,937.07/189,792,974.83 = 87,476,367.32/x
  3. Step 3: Cross multiply
    126,746,937.07x = 189,792,974.83 × 87,476,367.32
  4. Step 4: Simplify right side
    126,746,937.07x = 16,602,399,979,816,938
  5. Step 5: Solve for x
    x = 16,602,399,979,816,938/126,746,937.07
  6. Step 6: Final answer
    x = 130,988,569.54

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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.