Home / 219,903,344.60-329,855,016.90-83,571,013.40

Finding the Fourth Proportional to 219,903,344.60, 329,855,016.90 and 83,571,013.40

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Solution

The fourth proportional to 219,903,344.60, 329,855,016.90 and 83,571,013.40 is: 125,356,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,903,344.60 : 329,855,016.90 = 83,571,013.40 : x
  2. Step 2: Convert to fraction form
    219,903,344.60/329,855,016.90 = 83,571,013.40/x
  3. Step 3: Cross multiply
    219,903,344.60x = 329,855,016.90 × 83,571,013.40
  4. Step 4: Simplify right side
    219,903,344.60x = 27,566,318,037,407,128
  5. Step 5: Solve for x
    x = 27,566,318,037,407,128/219,903,344.60
  6. Step 6: Final answer
    x = 125,356,520.10

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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.