Home / 175,072,246.40-262,757,668.80-78,177,065.60

Finding the Fourth Proportional to 175,072,246.40, 262,757,668.80 and 78,177,065.60

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Solution

The fourth proportional to 175,072,246.40, 262,757,668.80 and 78,177,065.60 is: 117,332,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,072,246.40 : 262,757,668.80 = 78,177,065.60 : x
  2. Step 2: Convert to fraction form
    175,072,246.40/262,757,668.80 = 78,177,065.60/x
  3. Step 3: Cross multiply
    175,072,246.40x = 262,757,668.80 × 78,177,065.60
  4. Step 4: Simplify right side
    175,072,246.40x = 20,541,623,510,680,672
  5. Step 5: Solve for x
    x = 20,541,623,510,680,672/175,072,246.40
  6. Step 6: Final answer
    x = 117,332,266.72

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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.