Home / 86,932,166.40-130,398,249.60-26,340,019.20

Finding the Fourth Proportional to 86,932,166.40, 130,398,249.60 and 26,340,019.20

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Solution

The fourth proportional to 86,932,166.40, 130,398,249.60 and 26,340,019.20 is: 39,510,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,166.40 : 130,398,249.60 = 26,340,019.20 : x
  2. Step 2: Convert to fraction form
    86,932,166.40/130,398,249.60 = 26,340,019.20/x
  3. Step 3: Cross multiply
    86,932,166.40x = 130,398,249.60 × 26,340,019.20
  4. Step 4: Simplify right side
    86,932,166.40x = 3,434,692,398,110,392
  5. Step 5: Solve for x
    x = 3,434,692,398,110,392/86,932,166.40
  6. Step 6: Final answer
    x = 39,510,028.80

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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.