Home / 156,427,408.37-234,641,112.96-83,423,013.14

Finding the Fourth Proportional to 156,427,408.37, 234,641,112.96 and 83,423,013.14

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Solution

The fourth proportional to 156,427,408.37, 234,641,112.96 and 83,423,013.14 is: 125,134,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,427,408.37 : 234,641,112.96 = 83,423,013.14 : x
  2. Step 2: Convert to fraction form
    156,427,408.37/234,641,112.96 = 83,423,013.14/x
  3. Step 3: Cross multiply
    156,427,408.37x = 234,641,112.96 × 83,423,013.14
  4. Step 4: Simplify right side
    156,427,408.37x = 19,574,468,650,545,744
  5. Step 5: Solve for x
    x = 19,574,468,650,545,744/156,427,408.37
  6. Step 6: Final answer
    x = 125,134,519.93

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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.