Home / 130,177,885.53-179,633,609.10-77,245,472.55

Finding the Fourth Proportional to 130,177,885.53, 179,633,609.10 and 77,245,472.55

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Solution

The fourth proportional to 130,177,885.53, 179,633,609.10 and 77,245,472.55 is: 106,591,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177,885.53 : 179,633,609.10 = 77,245,472.55 : x
  2. Step 2: Convert to fraction form
    130,177,885.53/179,633,609.10 = 77,245,472.55/x
  3. Step 3: Cross multiply
    130,177,885.53x = 179,633,609.10 × 77,245,472.55
  4. Step 4: Simplify right side
    130,177,885.53x = 13,875,883,020,791,480
  5. Step 5: Solve for x
    x = 13,875,883,020,791,480/130,177,885.53
  6. Step 6: Final answer
    x = 106,591,706.91

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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.