Home / 47,177,965.52-65,125,678.56-31,717,016

Finding the Fourth Proportional to 47,177,965.52, 65,125,678.56 and 31,717,016

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Solution

The fourth proportional to 47,177,965.52, 65,125,678.56 and 31,717,016 is: 43,782,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177,965.52 : 65,125,678.56 = 31,717,016 : x
  2. Step 2: Convert to fraction form
    47,177,965.52/65,125,678.56 = 31,717,016/x
  3. Step 3: Cross multiply
    47,177,965.52x = 65,125,678.56 × 31,717,016
  4. Step 4: Simplify right side
    47,177,965.52x = 2,065,592,188,898,377
  5. Step 5: Solve for x
    x = 2,065,592,188,898,377/47,177,965.52
  6. Step 6: Final answer
    x = 43,782,985.68

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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.