Home / 89,666,400,582.71-123,740,192,408.17-49,021,399,636.37

Finding the Fourth Proportional to 89,666,400,582.71, 123,740,192,408.17 and 49,021,399,636.37

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Solution

The fourth proportional to 89,666,400,582.71, 123,740,192,408.17 and 49,021,399,636.37 is: 67,649,837,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666,400,582.71 : 123,740,192,408.17 = 49,021,399,636.37 : x
  2. Step 2: Convert to fraction form
    89,666,400,582.71/123,740,192,408.17 = 49,021,399,636.37/x
  3. Step 3: Cross multiply
    89,666,400,582.71x = 123,740,192,408.17 × 49,021,399,636.37
  4. Step 4: Simplify right side
    89,666,400,582.71x = 6,065,917,423,121,599,561,728
  5. Step 5: Solve for x
    x = 6,065,917,423,121,599,561,728/89,666,400,582.71
  6. Step 6: Final answer
    x = 67,649,837,438.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.