Home / 60,728,643.60-90,992,188.44-42,739,956.24

Finding the Fourth Proportional to 60,728,643.60, 90,992,188.44 and 42,739,956.24

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Solution

The fourth proportional to 60,728,643.60, 90,992,188.44 and 42,739,956.24 is: 64,039,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728,643.60 : 90,992,188.44 = 42,739,956.24 : x
  2. Step 2: Convert to fraction form
    60,728,643.60/90,992,188.44 = 42,739,956.24/x
  3. Step 3: Cross multiply
    60,728,643.60x = 90,992,188.44 × 42,739,956.24
  4. Step 4: Simplify right side
    60,728,643.60x = 3,889,002,152,107,434
  5. Step 5: Solve for x
    x = 3,889,002,152,107,434/60,728,643.60
  6. Step 6: Final answer
    x = 64,039,008.97

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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.