Home / 314,929,152.70-472,393,729.05-84,921,487.90

Finding the Fourth Proportional to 314,929,152.70, 472,393,729.05 and 84,921,487.90

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Solution

The fourth proportional to 314,929,152.70, 472,393,729.05 and 84,921,487.90 is: 127,382,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,152.70 : 472,393,729.05 = 84,921,487.90 : x
  2. Step 2: Convert to fraction form
    314,929,152.70/472,393,729.05 = 84,921,487.90/x
  3. Step 3: Cross multiply
    314,929,152.70x = 472,393,729.05 × 84,921,487.90
  4. Step 4: Simplify right side
    314,929,152.70x = 40,116,378,345,555,456
  5. Step 5: Solve for x
    x = 40,116,378,345,555,456/314,929,152.70
  6. Step 6: Final answer
    x = 127,382,231.85

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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.