Home / 57,868,345.36-86,787,899.16-21,456,724.24

Finding the Fourth Proportional to 57,868,345.36, 86,787,899.16 and 21,456,724.24

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Solution

The fourth proportional to 57,868,345.36, 86,787,899.16 and 21,456,724.24 is: 32,179,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868,345.36 : 86,787,899.16 = 21,456,724.24 : x
  2. Step 2: Convert to fraction form
    57,868,345.36/86,787,899.16 = 21,456,724.24/x
  3. Step 3: Cross multiply
    57,868,345.36x = 86,787,899.16 × 21,456,724.24
  4. Step 4: Simplify right side
    57,868,345.36x = 1,862,184,019,645,047.50
  5. Step 5: Solve for x
    x = 1,862,184,019,645,047.50/57,868,345.36
  6. Step 6: Final answer
    x = 32,179,665.90

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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.