Home / 130,177,908.48-179,633,640.66-77,245,495.50

Finding the Fourth Proportional to 130,177,908.48, 179,633,640.66 and 77,245,495.50

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Solution

The fourth proportional to 130,177,908.48, 179,633,640.66 and 77,245,495.50 is: 106,591,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177,908.48 : 179,633,640.66 = 77,245,495.50 : x
  2. Step 2: Convert to fraction form
    130,177,908.48/179,633,640.66 = 77,245,495.50/x
  3. Step 3: Cross multiply
    130,177,908.48x = 179,633,640.66 × 77,245,495.50
  4. Step 4: Simplify right side
    130,177,908.48x = 13,875,889,581,250,646
  5. Step 5: Solve for x
    x = 13,875,889,581,250,646/130,177,908.48
  6. Step 6: Final answer
    x = 106,591,738.52

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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.