Home / 76,122,955.72-105,049,777.38-41,315,642.20

Finding the Fourth Proportional to 76,122,955.72, 105,049,777.38 and 41,315,642.20

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Solution

The fourth proportional to 76,122,955.72, 105,049,777.38 and 41,315,642.20 is: 57,015,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,955.72 : 105,049,777.38 = 41,315,642.20 : x
  2. Step 2: Convert to fraction form
    76,122,955.72/105,049,777.38 = 41,315,642.20/x
  3. Step 3: Cross multiply
    76,122,955.72x = 105,049,777.38 × 41,315,642.20
  4. Step 4: Simplify right side
    76,122,955.72x = 4,340,199,015,421,733.50
  5. Step 5: Solve for x
    x = 4,340,199,015,421,733.50/76,122,955.72
  6. Step 6: Final answer
    x = 57,015,639.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.