Home / 118,665,577,974.40-177,998,366,961.60-40,148,358,870.40

Finding the Fourth Proportional to 118,665,577,974.40, 177,998,366,961.60 and 40,148,358,870.40

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Solution

The fourth proportional to 118,665,577,974.40, 177,998,366,961.60 and 40,148,358,870.40 is: 60,222,538,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,665,577,974.40 : 177,998,366,961.60 = 40,148,358,870.40 : x
  2. Step 2: Convert to fraction form
    118,665,577,974.40/177,998,366,961.60 = 40,148,358,870.40/x
  3. Step 3: Cross multiply
    118,665,577,974.40x = 177,998,366,961.60 × 40,148,358,870.40
  4. Step 4: Simplify right side
    118,665,577,974.40x = 7,146,342,315,119,468,347,392
  5. Step 5: Solve for x
    x = 7,146,342,315,119,468,347,392/118,665,577,974.40
  6. Step 6: Final answer
    x = 60,222,538,305.60

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1.5x scale

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.