Home / 155,796,113.25-214,979,905.32-89,738,095.37

Finding the Fourth Proportional to 155,796,113.25, 214,979,905.32 and 89,738,095.37

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Solution

The fourth proportional to 155,796,113.25, 214,979,905.32 and 89,738,095.37 is: 123,827,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,796,113.25 : 214,979,905.32 = 89,738,095.37 : x
  2. Step 2: Convert to fraction form
    155,796,113.25/214,979,905.32 = 89,738,095.37/x
  3. Step 3: Cross multiply
    155,796,113.25x = 214,979,905.32 × 89,738,095.37
  4. Step 4: Simplify right side
    155,796,113.25x = 19,291,887,245,164,828
  5. Step 5: Solve for x
    x = 19,291,887,245,164,828/155,796,113.25
  6. Step 6: Final answer
    x = 123,827,782.62

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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.