Home / 157,376,450.03-217,175,665.77-86,810,515.19

Finding the Fourth Proportional to 157,376,450.03, 217,175,665.77 and 86,810,515.19

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Solution

The fourth proportional to 157,376,450.03, 217,175,665.77 and 86,810,515.19 is: 119,796,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,376,450.03 : 217,175,665.77 = 86,810,515.19 : x
  2. Step 2: Convert to fraction form
    157,376,450.03/217,175,665.77 = 86,810,515.19/x
  3. Step 3: Cross multiply
    157,376,450.03x = 217,175,665.77 × 86,810,515.19
  4. Step 4: Simplify right side
    157,376,450.03x = 18,853,131,431,139,072
  5. Step 5: Solve for x
    x = 18,853,131,431,139,072/157,376,450.03
  6. Step 6: Final answer
    x = 119,796,395.38

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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.