Home / 70,594,143.86-105,566,145.54-67,150,406.18

Finding the Fourth Proportional to 70,594,143.86, 105,566,145.54 and 67,150,406.18

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Solution

The fourth proportional to 70,594,143.86, 105,566,145.54 and 67,150,406.18 is: 100,416,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,594,143.86 : 105,566,145.54 = 67,150,406.18 : x
  2. Step 2: Convert to fraction form
    70,594,143.86/105,566,145.54 = 67,150,406.18/x
  3. Step 3: Cross multiply
    70,594,143.86x = 105,566,145.54 × 67,150,406.18
  4. Step 4: Simplify right side
    70,594,143.86x = 7,088,809,551,340,165
  5. Step 5: Solve for x
    x = 7,088,809,551,340,165/70,594,143.86
  6. Step 6: Final answer
    x = 100,416,396.66

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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.