Home / 126,697,826.70-190,118,632.95-68,404,727.88

Finding the Fourth Proportional to 126,697,826.70, 190,118,632.95 and 68,404,727.88

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Solution

The fourth proportional to 126,697,826.70, 190,118,632.95 and 68,404,727.88 is: 102,645,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,697,826.70 : 190,118,632.95 = 68,404,727.88 : x
  2. Step 2: Convert to fraction form
    126,697,826.70/190,118,632.95 = 68,404,727.88/x
  3. Step 3: Cross multiply
    126,697,826.70x = 190,118,632.95 × 68,404,727.88
  4. Step 4: Simplify right side
    126,697,826.70x = 13,005,013,351,862,350
  5. Step 5: Solve for x
    x = 13,005,013,351,862,350/126,697,826.70
  6. Step 6: Final answer
    x = 102,645,907.12

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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.