Home / 84,725,806.53-127,030,690.72-43,146,196.43

Finding the Fourth Proportional to 84,725,806.53, 127,030,690.72 and 43,146,196.43

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Solution

The fourth proportional to 84,725,806.53, 127,030,690.72 and 43,146,196.43 is: 64,689,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725,806.53 : 127,030,690.72 = 43,146,196.43 : x
  2. Step 2: Convert to fraction form
    84,725,806.53/127,030,690.72 = 43,146,196.43/x
  3. Step 3: Cross multiply
    84,725,806.53x = 127,030,690.72 × 43,146,196.43
  4. Step 4: Simplify right side
    84,725,806.53x = 5,480,891,134,653,409
  5. Step 5: Solve for x
    x = 5,480,891,134,653,409/84,725,806.53
  6. Step 6: Final answer
    x = 64,689,748.72

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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.