Home / 52,517,643.60-78,857,566.20-28,629,771.60

Finding the Fourth Proportional to 52,517,643.60, 78,857,566.20 and 28,629,771.60

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Solution

The fourth proportional to 52,517,643.60, 78,857,566.20 and 28,629,771.60 is: 42,988,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,517,643.60 : 78,857,566.20 = 28,629,771.60 : x
  2. Step 2: Convert to fraction form
    52,517,643.60/78,857,566.20 = 28,629,771.60/x
  3. Step 3: Cross multiply
    52,517,643.60x = 78,857,566.20 × 28,629,771.60
  4. Step 4: Simplify right side
    52,517,643.60x = 2,257,674,109,237,880
  5. Step 5: Solve for x
    x = 2,257,674,109,237,880/52,517,643.60
  6. Step 6: Final answer
    x = 42,988,869.16

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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.