Home / 85,414,471.52-128,143,555.43-24,830,197.52

Finding the Fourth Proportional to 85,414,471.52, 128,143,555.43 and 24,830,197.52

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Solution

The fourth proportional to 85,414,471.52, 128,143,555.43 and 24,830,197.52 is: 37,251,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,414,471.52 : 128,143,555.43 = 24,830,197.52 : x
  2. Step 2: Convert to fraction form
    85,414,471.52/128,143,555.43 = 24,830,197.52/x
  3. Step 3: Cross multiply
    85,414,471.52x = 128,143,555.43 × 24,830,197.52
  4. Step 4: Simplify right side
    85,414,471.52x = 3,181,829,791,477,100
  5. Step 5: Solve for x
    x = 3,181,829,791,477,100/85,414,471.52
  6. Step 6: Final answer
    x = 37,251,647.58

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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.