Home / 84,725,822.79-127,030,715.06-43,146,212.72

Finding the Fourth Proportional to 84,725,822.79, 127,030,715.06 and 43,146,212.72

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Solution

The fourth proportional to 84,725,822.79, 127,030,715.06 and 43,146,212.72 is: 64,689,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725,822.79 : 127,030,715.06 = 43,146,212.72 : x
  2. Step 2: Convert to fraction form
    84,725,822.79/127,030,715.06 = 43,146,212.72/x
  3. Step 3: Cross multiply
    84,725,822.79x = 127,030,715.06 × 43,146,212.72
  4. Step 4: Simplify right side
    84,725,822.79x = 5,480,894,253,101,584
  5. Step 5: Solve for x
    x = 5,480,894,253,101,584/84,725,822.79
  6. Step 6: Final answer
    x = 64,689,773.11

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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.