Home / 141,177,870.14-194,830,186.26-78,456,611.70

Finding the Fourth Proportional to 141,177,870.14, 194,830,186.26 and 78,456,611.70

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Solution

The fourth proportional to 141,177,870.14, 194,830,186.26 and 78,456,611.70 is: 108,272,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177,870.14 : 194,830,186.26 = 78,456,611.70 : x
  2. Step 2: Convert to fraction form
    141,177,870.14/194,830,186.26 = 78,456,611.70/x
  3. Step 3: Cross multiply
    141,177,870.14x = 194,830,186.26 × 78,456,611.70
  4. Step 4: Simplify right side
    141,177,870.14x = 15,285,716,270,839,496
  5. Step 5: Solve for x
    x = 15,285,716,270,839,496/141,177,870.14
  6. Step 6: Final answer
    x = 108,272,750.23

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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.