Home / 172,467,882.65-238,006,644.74-98,128,441.64

Finding the Fourth Proportional to 172,467,882.65, 238,006,644.74 and 98,128,441.64

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Solution

The fourth proportional to 172,467,882.65, 238,006,644.74 and 98,128,441.64 is: 135,417,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467,882.65 : 238,006,644.74 = 98,128,441.64 : x
  2. Step 2: Convert to fraction form
    172,467,882.65/238,006,644.74 = 98,128,441.64/x
  3. Step 3: Cross multiply
    172,467,882.65x = 238,006,644.74 × 98,128,441.64
  4. Step 4: Simplify right side
    172,467,882.65x = 23,355,221,148,774,640
  5. Step 5: Solve for x
    x = 23,355,221,148,774,640/172,467,882.65
  6. Step 6: Final answer
    x = 135,417,799.47

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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.