Home / 53,815,412.20-80,699,498.70-21,456,560.20

Finding the Fourth Proportional to 53,815,412.20, 80,699,498.70 and 21,456,560.20

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Solution

The fourth proportional to 53,815,412.20, 80,699,498.70 and 21,456,560.20 is: 32,175,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815,412.20 : 80,699,498.70 = 21,456,560.20 : x
  2. Step 2: Convert to fraction form
    53,815,412.20/80,699,498.70 = 21,456,560.20/x
  3. Step 3: Cross multiply
    53,815,412.20x = 80,699,498.70 × 21,456,560.20
  4. Step 4: Simplify right side
    53,815,412.20x = 1,731,533,651,966,371.75
  5. Step 5: Solve for x
    x = 1,731,533,651,966,371.75/53,815,412.20
  6. Step 6: Final answer
    x = 32,175,423.01

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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.