Home / 130,177,883.09-179,633,605.74-77,245,470.11

Finding the Fourth Proportional to 130,177,883.09, 179,633,605.74 and 77,245,470.11

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Solution

The fourth proportional to 130,177,883.09, 179,633,605.74 and 77,245,470.11 is: 106,591,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177,883.09 : 179,633,605.74 = 77,245,470.11 : x
  2. Step 2: Convert to fraction form
    130,177,883.09/179,633,605.74 = 77,245,470.11/x
  3. Step 3: Cross multiply
    130,177,883.09x = 179,633,605.74 × 77,245,470.11
  4. Step 4: Simplify right side
    130,177,883.09x = 13,875,882,323,100,108
  5. Step 5: Solve for x
    x = 13,875,882,323,100,108/130,177,883.09
  6. Step 6: Final answer
    x = 106,591,703.55

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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.