Home / 75,009,155.40-112,518,087.66-28,951,280.46

Finding the Fourth Proportional to 75,009,155.40, 112,518,087.66 and 28,951,280.46

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Solution

The fourth proportional to 75,009,155.40, 112,518,087.66 and 28,951,280.46 is: 43,428,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,009,155.40 : 112,518,087.66 = 28,951,280.46 : x
  2. Step 2: Convert to fraction form
    75,009,155.40/112,518,087.66 = 28,951,280.46/x
  3. Step 3: Cross multiply
    75,009,155.40x = 112,518,087.66 × 28,951,280.46
  4. Step 4: Simplify right side
    75,009,155.40x = 3,257,542,712,667,525
  5. Step 5: Solve for x
    x = 3,257,542,712,667,525/75,009,155.40
  6. Step 6: Final answer
    x = 43,428,601.42

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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.