Home / 103,422,166.20-155,133,249.30-60,340,015.80

Finding the Fourth Proportional to 103,422,166.20, 155,133,249.30 and 60,340,015.80

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Solution

The fourth proportional to 103,422,166.20, 155,133,249.30 and 60,340,015.80 is: 90,510,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,422,166.20 : 155,133,249.30 = 60,340,015.80 : x
  2. Step 2: Convert to fraction form
    103,422,166.20/155,133,249.30 = 60,340,015.80/x
  3. Step 3: Cross multiply
    103,422,166.20x = 155,133,249.30 × 60,340,015.80
  4. Step 4: Simplify right side
    103,422,166.20x = 9,360,742,713,867,340
  5. Step 5: Solve for x
    x = 9,360,742,713,867,340/103,422,166.20
  6. Step 6: Final answer
    x = 90,510,023.70

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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.