Home / 130,177,993.74-179,633,757.55-77,245,579.95

Finding the Fourth Proportional to 130,177,993.74, 179,633,757.55 and 77,245,579.95

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Solution

The fourth proportional to 130,177,993.74, 179,633,757.55 and 77,245,579.95 is: 106,591,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177,993.74 : 179,633,757.55 = 77,245,579.95 : x
  2. Step 2: Convert to fraction form
    130,177,993.74/179,633,757.55 = 77,245,579.95/x
  3. Step 3: Cross multiply
    130,177,993.74x = 179,633,757.55 × 77,245,579.95
  4. Step 4: Simplify right side
    130,177,993.74x = 13,875,913,780,547,442
  5. Step 5: Solve for x
    x = 13,875,913,780,547,442/130,177,993.74
  6. Step 6: Final answer
    x = 106,591,854.60

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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.