Home / 85,511,796.56-128,288,953.08-24,928,055.12

Finding the Fourth Proportional to 85,511,796.56, 128,288,953.08 and 24,928,055.12

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Solution

The fourth proportional to 85,511,796.56, 128,288,953.08 and 24,928,055.12 is: 37,398,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,511,796.56 : 128,288,953.08 = 24,928,055.12 : x
  2. Step 2: Convert to fraction form
    85,511,796.56/128,288,953.08 = 24,928,055.12/x
  3. Step 3: Cross multiply
    85,511,796.56x = 128,288,953.08 × 24,928,055.12
  4. Step 4: Simplify right side
    85,511,796.56x = 3,197,994,093,665,334
  5. Step 5: Solve for x
    x = 3,197,994,093,665,334/85,511,796.56
  6. Step 6: Final answer
    x = 37,398,279.80

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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.