Home / 197,200,777.90-272,088,180.12-127,502,291.56

Finding the Fourth Proportional to 197,200,777.90, 272,088,180.12 and 127,502,291.56

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Solution

The fourth proportional to 197,200,777.90, 272,088,180.12 and 127,502,291.56 is: 175,921,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,200,777.90 : 272,088,180.12 = 127,502,291.56 : x
  2. Step 2: Convert to fraction form
    197,200,777.90/272,088,180.12 = 127,502,291.56/x
  3. Step 3: Cross multiply
    197,200,777.90x = 272,088,180.12 × 127,502,291.56
  4. Step 4: Simplify right side
    197,200,777.90x = 34,691,866,471,690,036
  5. Step 5: Solve for x
    x = 34,691,866,471,690,036/197,200,777.90
  6. Step 6: Final answer
    x = 175,921,549.81

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1.5x scale

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.