Home / 119,105,780,572.80-178,658,670,859.20-118,279,283,529.60

Finding the Fourth Proportional to 119,105,780,572.80, 178,658,670,859.20 and 118,279,283,529.60

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Solution

The fourth proportional to 119,105,780,572.80, 178,658,670,859.20 and 118,279,283,529.60 is: 177,418,925,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,105,780,572.80 : 178,658,670,859.20 = 118,279,283,529.60 : x
  2. Step 2: Convert to fraction form
    119,105,780,572.80/178,658,670,859.20 = 118,279,283,529.60/x
  3. Step 3: Cross multiply
    119,105,780,572.80x = 178,658,670,859.20 × 118,279,283,529.60
  4. Step 4: Simplify right side
    119,105,780,572.80x = 21,131,619,585,576,805,597,184
  5. Step 5: Solve for x
    x = 21,131,619,585,576,805,597,184/119,105,780,572.80
  6. Step 6: Final answer
    x = 177,418,925,294.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.