Home / 42,154,790.45-58,155,797.21-28,220,634.63

Finding the Fourth Proportional to 42,154,790.45, 58,155,797.21 and 28,220,634.63

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Solution

The fourth proportional to 42,154,790.45, 58,155,797.21 and 28,220,634.63 is: 38,932,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154,790.45 : 58,155,797.21 = 28,220,634.63 : x
  2. Step 2: Convert to fraction form
    42,154,790.45/58,155,797.21 = 28,220,634.63/x
  3. Step 3: Cross multiply
    42,154,790.45x = 58,155,797.21 × 28,220,634.63
  4. Step 4: Simplify right side
    42,154,790.45x = 1,641,193,504,538,680
  5. Step 5: Solve for x
    x = 1,641,193,504,538,680/42,154,790.45
  6. Step 6: Final answer
    x = 38,932,550.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.