Home / 152,085,332.20-228,127,998.30-87,588,077.80

Finding the Fourth Proportional to 152,085,332.20, 228,127,998.30 and 87,588,077.80

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Solution

The fourth proportional to 152,085,332.20, 228,127,998.30 and 87,588,077.80 is: 131,382,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,085,332.20 : 228,127,998.30 = 87,588,077.80 : x
  2. Step 2: Convert to fraction form
    152,085,332.20/228,127,998.30 = 87,588,077.80/x
  3. Step 3: Cross multiply
    152,085,332.20x = 228,127,998.30 × 87,588,077.80
  4. Step 4: Simplify right side
    152,085,332.20x = 19,981,292,863,458,668
  5. Step 5: Solve for x
    x = 19,981,292,863,458,668/152,085,332.20
  6. Step 6: Final answer
    x = 131,382,116.70

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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.