Home / 68,135,483.57-94,027,349.36-38,766,815.51

Finding the Fourth Proportional to 68,135,483.57, 94,027,349.36 and 38,766,815.51

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Solution

The fourth proportional to 68,135,483.57, 94,027,349.36 and 38,766,815.51 is: 53,498,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135,483.57 : 94,027,349.36 = 38,766,815.51 : x
  2. Step 2: Convert to fraction form
    68,135,483.57/94,027,349.36 = 38,766,815.51/x
  3. Step 3: Cross multiply
    68,135,483.57x = 94,027,349.36 × 38,766,815.51
  4. Step 4: Simplify right side
    68,135,483.57x = 3,645,140,905,574,671.50
  5. Step 5: Solve for x
    x = 3,645,140,905,574,671.50/68,135,483.57
  6. Step 6: Final answer
    x = 53,498,422.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.