Home / 57,868,345.61-86,787,899.54-21,456,724.49

Finding the Fourth Proportional to 57,868,345.61, 86,787,899.54 and 21,456,724.49

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Solution

The fourth proportional to 57,868,345.61, 86,787,899.54 and 21,456,724.49 is: 32,179,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868,345.61 : 86,787,899.54 = 21,456,724.49 : x
  2. Step 2: Convert to fraction form
    57,868,345.61/86,787,899.54 = 21,456,724.49/x
  3. Step 3: Cross multiply
    57,868,345.61x = 86,787,899.54 × 21,456,724.49
  4. Step 4: Simplify right side
    57,868,345.61x = 1,862,184,049,388,294
  5. Step 5: Solve for x
    x = 1,862,184,049,388,294/57,868,345.61
  6. Step 6: Final answer
    x = 32,179,666.27

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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.