Home / 68,422,974.81-94,348,018.13-43,603,819.89

Finding the Fourth Proportional to 68,422,974.81, 94,348,018.13 and 43,603,819.89

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Solution

The fourth proportional to 68,422,974.81, 94,348,018.13 and 43,603,819.89 is: 60,125,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,422,974.81 : 94,348,018.13 = 43,603,819.89 : x
  2. Step 2: Convert to fraction form
    68,422,974.81/94,348,018.13 = 43,603,819.89/x
  3. Step 3: Cross multiply
    68,422,974.81x = 94,348,018.13 × 43,603,819.89
  4. Step 4: Simplify right side
    68,422,974.81x = 4,113,933,989,300,955.50
  5. Step 5: Solve for x
    x = 4,113,933,989,300,955.50/68,422,974.81
  6. Step 6: Final answer
    x = 60,125,038.42

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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.