Home / 162,168,201.29-243,340,856.48-68,780,646.52

Finding the Fourth Proportional to 162,168,201.29, 243,340,856.48 and 68,780,646.52

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Solution

The fourth proportional to 162,168,201.29, 243,340,856.48 and 68,780,646.52 is: 103,208,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,168,201.29 : 243,340,856.48 = 68,780,646.52 : x
  2. Step 2: Convert to fraction form
    162,168,201.29/243,340,856.48 = 68,780,646.52/x
  3. Step 3: Cross multiply
    162,168,201.29x = 243,340,856.48 × 68,780,646.52
  4. Step 4: Simplify right side
    162,168,201.29x = 16,737,141,432,988,530
  5. Step 5: Solve for x
    x = 16,737,141,432,988,530/162,168,201.29
  6. Step 6: Final answer
    x = 103,208,528.55

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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.