Home / 136,891,323-188,910,025.74-78,944,571

Finding the Fourth Proportional to 136,891,323, 188,910,025.74 and 78,944,571

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Solution

The fourth proportional to 136,891,323, 188,910,025.74 and 78,944,571 is: 108,943,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,891,323 : 188,910,025.74 = 78,944,571 : x
  2. Step 2: Convert to fraction form
    136,891,323/188,910,025.74 = 78,944,571/x
  3. Step 3: Cross multiply
    136,891,323x = 188,910,025.74 × 78,944,571
  4. Step 4: Simplify right side
    136,891,323x = 14,913,420,939,643,258
  5. Step 5: Solve for x
    x = 14,913,420,939,643,258/136,891,323
  6. Step 6: Final answer
    x = 108,943,507.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.