Home / 40,128,009.70-60,192,014.55-34,355,107.30

Finding the Fourth Proportional to 40,128,009.70, 60,192,014.55 and 34,355,107.30

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Solution

The fourth proportional to 40,128,009.70, 60,192,014.55 and 34,355,107.30 is: 51,532,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,009.70 : 60,192,014.55 = 34,355,107.30 : x
  2. Step 2: Convert to fraction form
    40,128,009.70/60,192,014.55 = 34,355,107.30/x
  3. Step 3: Cross multiply
    40,128,009.70x = 60,192,014.55 × 34,355,107.30
  4. Step 4: Simplify right side
    40,128,009.70x = 2,067,903,118,468,411
  5. Step 5: Solve for x
    x = 2,067,903,118,468,411/40,128,009.70
  6. Step 6: Final answer
    x = 51,532,660.95

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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.