Home / 61,987,071.90-92,994,058.72-18,855,154.26

Finding the Fourth Proportional to 61,987,071.90, 92,994,058.72 and 18,855,154.26

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Solution

The fourth proportional to 61,987,071.90, 92,994,058.72 and 18,855,154.26 is: 28,286,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987,071.90 : 92,994,058.72 = 18,855,154.26 : x
  2. Step 2: Convert to fraction form
    61,987,071.90/92,994,058.72 = 18,855,154.26/x
  3. Step 3: Cross multiply
    61,987,071.90x = 92,994,058.72 × 18,855,154.26
  4. Step 4: Simplify right side
    61,987,071.90x = 1,753,417,322,429,098.25
  5. Step 5: Solve for x
    x = 1,753,417,322,429,098.25/61,987,071.90
  6. Step 6: Final answer
    x = 28,286,822.86

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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.