Home / 57,029,957.90-85,510,774.55-18,151,616.51

Finding the Fourth Proportional to 57,029,957.90, 85,510,774.55 and 18,151,616.51

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Solution

The fourth proportional to 57,029,957.90, 85,510,774.55 and 18,151,616.51 is: 27,216,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029,957.90 : 85,510,774.55 = 18,151,616.51 : x
  2. Step 2: Convert to fraction form
    57,029,957.90/85,510,774.55 = 18,151,616.51/x
  3. Step 3: Cross multiply
    57,029,957.90x = 85,510,774.55 × 18,151,616.51
  4. Step 4: Simplify right side
    57,029,957.90x = 1,552,158,787,104,668
  5. Step 5: Solve for x
    x = 1,552,158,787,104,668/57,029,957.90
  6. Step 6: Final answer
    x = 27,216,551.52

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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.