Home / 68,734,203.45-94,856,605.80-42,637,129.75

Finding the Fourth Proportional to 68,734,203.45, 94,856,605.80 and 42,637,129.75

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Solution

The fourth proportional to 68,734,203.45, 94,856,605.80 and 42,637,129.75 is: 58,841,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,734,203.45 : 94,856,605.80 = 42,637,129.75 : x
  2. Step 2: Convert to fraction form
    68,734,203.45/94,856,605.80 = 42,637,129.75/x
  3. Step 3: Cross multiply
    68,734,203.45x = 94,856,605.80 × 42,637,129.75
  4. Step 4: Simplify right side
    68,734,203.45x = 4,044,413,409,139,202.50
  5. Step 5: Solve for x
    x = 4,044,413,409,139,202.50/68,734,203.45
  6. Step 6: Final answer
    x = 58,841,351.27

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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.