Home / 60,728,644.60-90,992,189.94-42,739,957.24

Finding the Fourth Proportional to 60,728,644.60, 90,992,189.94 and 42,739,957.24

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Solution

The fourth proportional to 60,728,644.60, 90,992,189.94 and 42,739,957.24 is: 64,039,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728,644.60 : 90,992,189.94 = 42,739,957.24 : x
  2. Step 2: Convert to fraction form
    60,728,644.60/90,992,189.94 = 42,739,957.24/x
  3. Step 3: Cross multiply
    60,728,644.60x = 90,992,189.94 × 42,739,957.24
  4. Step 4: Simplify right side
    60,728,644.60x = 3,889,002,307,209,558.50
  5. Step 5: Solve for x
    x = 3,889,002,307,209,558.50/60,728,644.60
  6. Step 6: Final answer
    x = 64,039,010.47

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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.