Home / 120,154,622.92-165,816,640.06-67,951,465.10

Finding the Fourth Proportional to 120,154,622.92, 165,816,640.06 and 67,951,465.10

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Solution

The fourth proportional to 120,154,622.92, 165,816,640.06 and 67,951,465.10 is: 93,774,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,154,622.92 : 165,816,640.06 = 67,951,465.10 : x
  2. Step 2: Convert to fraction form
    120,154,622.92/165,816,640.06 = 67,951,465.10/x
  3. Step 3: Cross multiply
    120,154,622.92x = 165,816,640.06 × 67,951,465.10
  4. Step 4: Simplify right side
    120,154,622.92x = 11,267,483,630,036,352
  5. Step 5: Solve for x
    x = 11,267,483,630,036,352/120,154,622.92
  6. Step 6: Final answer
    x = 93,774,865.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.