Home / 122,493,643.20-183,740,464.80-45,812,611.80

Finding the Fourth Proportional to 122,493,643.20, 183,740,464.80 and 45,812,611.80

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Solution

The fourth proportional to 122,493,643.20, 183,740,464.80 and 45,812,611.80 is: 68,718,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493,643.20 : 183,740,464.80 = 45,812,611.80 : x
  2. Step 2: Convert to fraction form
    122,493,643.20/183,740,464.80 = 45,812,611.80/x
  3. Step 3: Cross multiply
    122,493,643.20x = 183,740,464.80 × 45,812,611.80
  4. Step 4: Simplify right side
    122,493,643.20x = 8,417,630,585,833,965
  5. Step 5: Solve for x
    x = 8,417,630,585,833,965/122,493,643.20
  6. Step 6: Final answer
    x = 68,718,917.70

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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.