Home / 132,808,280.40-199,212,420.60-68,238,198.90

Finding the Fourth Proportional to 132,808,280.40, 199,212,420.60 and 68,238,198.90

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Solution

The fourth proportional to 132,808,280.40, 199,212,420.60 and 68,238,198.90 is: 102,357,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,808,280.40 : 199,212,420.60 = 68,238,198.90 : x
  2. Step 2: Convert to fraction form
    132,808,280.40/199,212,420.60 = 68,238,198.90/x
  3. Step 3: Cross multiply
    132,808,280.40x = 199,212,420.60 × 68,238,198.90
  4. Step 4: Simplify right side
    132,808,280.40x = 13,593,896,780,253,258
  5. Step 5: Solve for x
    x = 13,593,896,780,253,258/132,808,280.40
  6. Step 6: Final answer
    x = 102,357,298.35

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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.