Home / 173,175,289.12-259,730,456.73-86,890,528.36

Finding the Fourth Proportional to 173,175,289.12, 259,730,456.73 and 86,890,528.36

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Solution

The fourth proportional to 173,175,289.12, 259,730,456.73 and 86,890,528.36 is: 130,319,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,175,289.12 : 259,730,456.73 = 86,890,528.36 : x
  2. Step 2: Convert to fraction form
    173,175,289.12/259,730,456.73 = 86,890,528.36/x
  3. Step 3: Cross multiply
    173,175,289.12x = 259,730,456.73 × 86,890,528.36
  4. Step 4: Simplify right side
    173,175,289.12x = 22,568,116,616,453,816
  5. Step 5: Solve for x
    x = 22,568,116,616,453,816/173,175,289.12
  6. Step 6: Final answer
    x = 130,319,497.26

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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.