Home / 51,518,912.40-77,212,013.40-39,492,032.40

Finding the Fourth Proportional to 51,518,912.40, 77,212,013.40 and 39,492,032.40

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Solution

The fourth proportional to 51,518,912.40, 77,212,013.40 and 39,492,032.40 is: 59,187,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518,912.40 : 77,212,013.40 = 39,492,032.40 : x
  2. Step 2: Convert to fraction form
    51,518,912.40/77,212,013.40 = 39,492,032.40/x
  3. Step 3: Cross multiply
    51,518,912.40x = 77,212,013.40 × 39,492,032.40
  4. Step 4: Simplify right side
    51,518,912.40x = 3,049,259,334,862,034.50
  5. Step 5: Solve for x
    x = 3,049,259,334,862,034.50/51,518,912.40
  6. Step 6: Final answer
    x = 59,187,183.75

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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.