Home / 172,668,519.10-259,084,460.02-89,626,138.93

Finding the Fourth Proportional to 172,668,519.10, 259,084,460.02 and 89,626,138.93

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Solution

The fourth proportional to 172,668,519.10, 259,084,460.02 and 89,626,138.93 is: 134,481,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,668,519.10 : 259,084,460.02 = 89,626,138.93 : x
  2. Step 2: Convert to fraction form
    172,668,519.10/259,084,460.02 = 89,626,138.93/x
  3. Step 3: Cross multiply
    172,668,519.10x = 259,084,460.02 × 89,626,138.93
  4. Step 4: Simplify right side
    172,668,519.10x = 23,220,739,807,484,772
  5. Step 5: Solve for x
    x = 23,220,739,807,484,772/172,668,519.10
  6. Step 6: Final answer
    x = 134,481,606.31

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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.