Home / 211,996,086.91-292,534,104.90-122,670,212.93

Finding the Fourth Proportional to 211,996,086.91, 292,534,104.90 and 122,670,212.93

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Solution

The fourth proportional to 211,996,086.91, 292,534,104.90 and 122,670,212.93 is: 169,273,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,996,086.91 : 292,534,104.90 = 122,670,212.93 : x
  2. Step 2: Convert to fraction form
    211,996,086.91/292,534,104.90 = 122,670,212.93/x
  3. Step 3: Cross multiply
    211,996,086.91x = 292,534,104.90 × 122,670,212.93
  4. Step 4: Simplify right side
    211,996,086.91x = 35,885,220,935,447,272
  5. Step 5: Solve for x
    x = 35,885,220,935,447,272/211,996,086.91
  6. Step 6: Final answer
    x = 169,273,034.51

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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.