Home / 57,454,890.79-86,175,969.94-20,565,307.44

Finding the Fourth Proportional to 57,454,890.79, 86,175,969.94 and 20,565,307.44

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Solution

The fourth proportional to 57,454,890.79, 86,175,969.94 and 20,565,307.44 is: 30,845,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454,890.79 : 86,175,969.94 = 20,565,307.44 : x
  2. Step 2: Convert to fraction form
    57,454,890.79/86,175,969.94 = 20,565,307.44/x
  3. Step 3: Cross multiply
    57,454,890.79x = 86,175,969.94 × 20,565,307.44
  4. Step 4: Simplify right side
    57,454,890.79x = 1,772,235,315,756,298.50
  5. Step 5: Solve for x
    x = 1,772,235,315,756,298.50/57,454,890.79
  6. Step 6: Final answer
    x = 30,845,682.44

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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.