Home / 53,761,671.80-80,653,005.30-21,408,068.60

Finding the Fourth Proportional to 53,761,671.80, 80,653,005.30 and 21,408,068.60

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Solution

The fourth proportional to 53,761,671.80, 80,653,005.30 and 21,408,068.60 is: 32,116,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,761,671.80 : 80,653,005.30 = 21,408,068.60 : x
  2. Step 2: Convert to fraction form
    53,761,671.80/80,653,005.30 = 21,408,068.60/x
  3. Step 3: Cross multiply
    53,761,671.80x = 80,653,005.30 × 21,408,068.60
  4. Step 4: Simplify right side
    53,761,671.80x = 1,726,625,070,258,563.75
  5. Step 5: Solve for x
    x = 1,726,625,070,258,563.75/53,761,671.80
  6. Step 6: Final answer
    x = 32,116,283.08

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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.