Home / 83,161,359.60-124,732,509.48-21,756,444

Finding the Fourth Proportional to 83,161,359.60, 124,732,509.48 and 21,756,444

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Solution

The fourth proportional to 83,161,359.60, 124,732,509.48 and 21,756,444 is: 32,632,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161,359.60 : 124,732,509.48 = 21,756,444 : x
  2. Step 2: Convert to fraction form
    83,161,359.60/124,732,509.48 = 21,756,444/x
  3. Step 3: Cross multiply
    83,161,359.60x = 124,732,509.48 × 21,756,444
  4. Step 4: Simplify right side
    83,161,359.60x = 2,713,735,857,481,089
  5. Step 5: Solve for x
    x = 2,713,735,857,481,089/83,161,359.60
  6. Step 6: Final answer
    x = 32,632,172.81

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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.