Home / 54,423,666.96-81,605,385.43-21,600,985.06

Finding the Fourth Proportional to 54,423,666.96, 81,605,385.43 and 21,600,985.06

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Solution

The fourth proportional to 54,423,666.96, 81,605,385.43 and 21,600,985.06 is: 32,389,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423,666.96 : 81,605,385.43 = 21,600,985.06 : x
  2. Step 2: Convert to fraction form
    54,423,666.96/81,605,385.43 = 21,600,985.06/x
  3. Step 3: Cross multiply
    54,423,666.96x = 81,605,385.43 × 21,600,985.06
  4. Step 4: Simplify right side
    54,423,666.96x = 1,762,756,711,658,481.75
  5. Step 5: Solve for x
    x = 1,762,756,711,658,481.75/54,423,666.96
  6. Step 6: Final answer
    x = 32,389,524.82

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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.