Home / 53,900,705.40-80,851,058.10-21,557,599.80

Finding the Fourth Proportional to 53,900,705.40, 80,851,058.10 and 21,557,599.80

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Solution

The fourth proportional to 53,900,705.40, 80,851,058.10 and 21,557,599.80 is: 32,336,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,705.40 : 80,851,058.10 = 21,557,599.80 : x
  2. Step 2: Convert to fraction form
    53,900,705.40/80,851,058.10 = 21,557,599.80/x
  3. Step 3: Cross multiply
    53,900,705.40x = 80,851,058.10 × 21,557,599.80
  4. Step 4: Simplify right side
    53,900,705.40x = 1,742,954,753,926,348.25
  5. Step 5: Solve for x
    x = 1,742,954,753,926,348.25/53,900,705.40
  6. Step 6: Final answer
    x = 32,336,399.70

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1.5x scale

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.