Home / 51,291,101.04-70,638,989.40-39,645,763.44

Finding the Fourth Proportional to 51,291,101.04, 70,638,989.40 and 39,645,763.44

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Solution

The fourth proportional to 51,291,101.04, 70,638,989.40 and 39,645,763.44 is: 54,600,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291,101.04 : 70,638,989.40 = 39,645,763.44 : x
  2. Step 2: Convert to fraction form
    51,291,101.04/70,638,989.40 = 39,645,763.44/x
  3. Step 3: Cross multiply
    51,291,101.04x = 70,638,989.40 × 39,645,763.44
  4. Step 4: Simplify right side
    51,291,101.04x = 2,800,536,663,393,067.50
  5. Step 5: Solve for x
    x = 2,800,536,663,393,067.50/51,291,101.04
  6. Step 6: Final answer
    x = 54,600,829.51

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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.