Home / 56,018,885.62-77,306,399.97-31,240,638.54

Finding the Fourth Proportional to 56,018,885.62, 77,306,399.97 and 31,240,638.54

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Solution

The fourth proportional to 56,018,885.62, 77,306,399.97 and 31,240,638.54 is: 43,112,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018,885.62 : 77,306,399.97 = 31,240,638.54 : x
  2. Step 2: Convert to fraction form
    56,018,885.62/77,306,399.97 = 31,240,638.54/x
  3. Step 3: Cross multiply
    56,018,885.62x = 77,306,399.97 × 31,240,638.54
  4. Step 4: Simplify right side
    56,018,885.62x = 2,415,101,298,291,436.50
  5. Step 5: Solve for x
    x = 2,415,101,298,291,436.50/56,018,885.62
  6. Step 6: Final answer
    x = 43,112,269.58

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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.