Home / 84,725,883.59-127,030,806.25-43,146,273.78

Finding the Fourth Proportional to 84,725,883.59, 127,030,806.25 and 43,146,273.78

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Solution

The fourth proportional to 84,725,883.59, 127,030,806.25 and 43,146,273.78 is: 64,689,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725,883.59 : 127,030,806.25 = 43,146,273.78 : x
  2. Step 2: Convert to fraction form
    84,725,883.59/127,030,806.25 = 43,146,273.78/x
  3. Step 3: Cross multiply
    84,725,883.59x = 127,030,806.25 × 43,146,273.78
  4. Step 4: Simplify right side
    84,725,883.59x = 5,480,905,944,848,770
  5. Step 5: Solve for x
    x = 5,480,905,944,848,770/84,725,883.59
  6. Step 6: Final answer
    x = 64,689,864.69

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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.