Home / 155,796,117.92-214,979,911.79-89,738,100.03

Finding the Fourth Proportional to 155,796,117.92, 214,979,911.79 and 89,738,100.03

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Solution

The fourth proportional to 155,796,117.92, 214,979,911.79 and 89,738,100.03 is: 123,827,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,796,117.92 : 214,979,911.79 = 89,738,100.03 : x
  2. Step 2: Convert to fraction form
    155,796,117.92/214,979,911.79 = 89,738,100.03/x
  3. Step 3: Cross multiply
    155,796,117.92x = 214,979,911.79 × 89,738,100.03
  4. Step 4: Simplify right side
    155,796,117.92x = 19,291,888,828,202,904
  5. Step 5: Solve for x
    x = 19,291,888,828,202,904/155,796,117.92
  6. Step 6: Final answer
    x = 123,827,789.08

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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.