Home / 57,781,851.24-86,647,579.50-21,854,865

Finding the Fourth Proportional to 57,781,851.24, 86,647,579.50 and 21,854,865

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Solution

The fourth proportional to 57,781,851.24, 86,647,579.50 and 21,854,865 is: 32,772,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781,851.24 : 86,647,579.50 = 21,854,865 : x
  2. Step 2: Convert to fraction form
    57,781,851.24/86,647,579.50 = 21,854,865/x
  3. Step 3: Cross multiply
    57,781,851.24x = 86,647,579.50 × 21,854,865
  4. Step 4: Simplify right side
    57,781,851.24x = 1,893,671,152,549,267.50
  5. Step 5: Solve for x
    x = 1,893,671,152,549,267.50/57,781,851.24
  6. Step 6: Final answer
    x = 32,772,767.09

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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.