Home / 103,995,375.42-143,511,864.48-57,584,632.80

Finding the Fourth Proportional to 103,995,375.42, 143,511,864.48 and 57,584,632.80

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Solution

The fourth proportional to 103,995,375.42, 143,511,864.48 and 57,584,632.80 is: 79,465,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995,375.42 : 143,511,864.48 = 57,584,632.80 : x
  2. Step 2: Convert to fraction form
    103,995,375.42/143,511,864.48 = 57,584,632.80/x
  3. Step 3: Cross multiply
    103,995,375.42x = 143,511,864.48 × 57,584,632.80
  4. Step 4: Simplify right side
    103,995,375.42x = 8,264,078,018,524,162
  5. Step 5: Solve for x
    x = 8,264,078,018,524,162/103,995,375.42
  6. Step 6: Final answer
    x = 79,465,822.26

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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.