Home / 53,900,687.40-80,851,031.10-21,557,581.80

Finding the Fourth Proportional to 53,900,687.40, 80,851,031.10 and 21,557,581.80

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Solution

The fourth proportional to 53,900,687.40, 80,851,031.10 and 21,557,581.80 is: 32,336,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,687.40 : 80,851,031.10 = 21,557,581.80 : x
  2. Step 2: Convert to fraction form
    53,900,687.40/80,851,031.10 = 21,557,581.80/x
  3. Step 3: Cross multiply
    53,900,687.40x = 80,851,031.10 × 21,557,581.80
  4. Step 4: Simplify right side
    53,900,687.40x = 1,742,952,716,552,594
  5. Step 5: Solve for x
    x = 1,742,952,716,552,594/53,900,687.40
  6. Step 6: Final answer
    x = 32,336,372.70

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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.