Home / 20,687,616,101.15-31,031,424,151.73-20,687,616,101.15

Finding the Fourth Proportional to 20,687,616,101.15, 31,031,424,151.73 and 20,687,616,101.15

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Solution

The fourth proportional to 20,687,616,101.15, 31,031,424,151.73 and 20,687,616,101.15 is: 31,031,424,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,616,101.15 : 31,031,424,151.73 = 20,687,616,101.15 : x
  2. Step 2: Convert to fraction form
    20,687,616,101.15/31,031,424,151.73 = 20,687,616,101.15/x
  3. Step 3: Cross multiply
    20,687,616,101.15x = 31,031,424,151.73 × 20,687,616,101.15
  4. Step 4: Simplify right side
    20,687,616,101.15x = 641,966,189,922,944,548,864
  5. Step 5: Solve for x
    x = 641,966,189,922,944,548,864/20,687,616,101.15
  6. Step 6: Final answer
    x = 31,031,424,151.73

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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.