Home / 146,488,175.29-202,061,729.51-86,907,289.12

Finding the Fourth Proportional to 146,488,175.29, 202,061,729.51 and 86,907,289.12

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Solution

The fourth proportional to 146,488,175.29, 202,061,729.51 and 86,907,289.12 is: 119,877,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,488,175.29 : 202,061,729.51 = 86,907,289.12 : x
  2. Step 2: Convert to fraction form
    146,488,175.29/202,061,729.51 = 86,907,289.12/x
  3. Step 3: Cross multiply
    146,488,175.29x = 202,061,729.51 × 86,907,289.12
  4. Step 4: Simplify right side
    146,488,175.29x = 17,560,637,145,999,018
  5. Step 5: Solve for x
    x = 17,560,637,145,999,018/146,488,175.29
  6. Step 6: Final answer
    x = 119,877,506.23

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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.