Home / 212,216,951.45-292,856,393.29-119,397,237.86

Finding the Fourth Proportional to 212,216,951.45, 292,856,393.29 and 119,397,237.86

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Solution

The fourth proportional to 212,216,951.45, 292,856,393.29 and 119,397,237.86 is: 164,766,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,216,951.45 : 292,856,393.29 = 119,397,237.86 : x
  2. Step 2: Convert to fraction form
    212,216,951.45/292,856,393.29 = 119,397,237.86/x
  3. Step 3: Cross multiply
    212,216,951.45x = 292,856,393.29 × 119,397,237.86
  4. Step 4: Simplify right side
    212,216,951.45x = 34,966,244,448,467,840
  5. Step 5: Solve for x
    x = 34,966,244,448,467,840/212,216,951.45
  6. Step 6: Final answer
    x = 164,766,500.55

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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.