Home / 153,370,940.42-230,170,669.42-112,535,900.30

Finding the Fourth Proportional to 153,370,940.42, 230,170,669.42 and 112,535,900.30

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Solution

The fourth proportional to 153,370,940.42, 230,170,669.42 and 112,535,900.30 is: 168,887,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,370,940.42 : 230,170,669.42 = 112,535,900.30 : x
  2. Step 2: Convert to fraction form
    153,370,940.42/230,170,669.42 = 112,535,900.30/x
  3. Step 3: Cross multiply
    153,370,940.42x = 230,170,669.42 × 112,535,900.30
  4. Step 4: Simplify right side
    153,370,940.42x = 25,902,463,505,833,376
  5. Step 5: Solve for x
    x = 25,902,463,505,833,376/153,370,940.42
  6. Step 6: Final answer
    x = 168,887,687.82

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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.