Home / 126,371,215.80-189,556,823.70-105,963,881.40

Finding the Fourth Proportional to 126,371,215.80, 189,556,823.70 and 105,963,881.40

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Solution

The fourth proportional to 126,371,215.80, 189,556,823.70 and 105,963,881.40 is: 158,945,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,371,215.80 : 189,556,823.70 = 105,963,881.40 : x
  2. Step 2: Convert to fraction form
    126,371,215.80/189,556,823.70 = 105,963,881.40/x
  3. Step 3: Cross multiply
    126,371,215.80x = 189,556,823.70 × 105,963,881.40
  4. Step 4: Simplify right side
    126,371,215.80x = 20,086,176,785,107,508
  5. Step 5: Solve for x
    x = 20,086,176,785,107,508/126,371,215.80
  6. Step 6: Final answer
    x = 158,945,822.10

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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.