Home / 80,852,465.70-121,278,698.55-23,346,612.90

Finding the Fourth Proportional to 80,852,465.70, 121,278,698.55 and 23,346,612.90

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Solution

The fourth proportional to 80,852,465.70, 121,278,698.55 and 23,346,612.90 is: 35,019,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,465.70 : 121,278,698.55 = 23,346,612.90 : x
  2. Step 2: Convert to fraction form
    80,852,465.70/121,278,698.55 = 23,346,612.90/x
  3. Step 3: Cross multiply
    80,852,465.70x = 121,278,698.55 × 23,346,612.90
  4. Step 4: Simplify right side
    80,852,465.70x = 2,831,446,828,062,641
  5. Step 5: Solve for x
    x = 2,831,446,828,062,641/80,852,465.70
  6. Step 6: Final answer
    x = 35,019,919.35

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Double scale
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Similar ratio
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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.