Home / 155,796,113.42-214,979,905.58-89,738,095.53

Finding the Fourth Proportional to 155,796,113.42, 214,979,905.58 and 89,738,095.53

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Solution

The fourth proportional to 155,796,113.42, 214,979,905.58 and 89,738,095.53 is: 123,827,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,796,113.42 : 214,979,905.58 = 89,738,095.53 : x
  2. Step 2: Convert to fraction form
    155,796,113.42/214,979,905.58 = 89,738,095.53/x
  3. Step 3: Cross multiply
    155,796,113.42x = 214,979,905.58 × 89,738,095.53
  4. Step 4: Simplify right side
    155,796,113.42x = 19,291,887,304,325,904
  5. Step 5: Solve for x
    x = 19,291,887,304,325,904/155,796,113.42
  6. Step 6: Final answer
    x = 123,827,782.87

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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.