Home / 172,467,956.67-238,006,747.22-98,128,515.65

Finding the Fourth Proportional to 172,467,956.67, 238,006,747.22 and 98,128,515.65

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Solution

The fourth proportional to 172,467,956.67, 238,006,747.22 and 98,128,515.65 is: 135,417,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467,956.67 : 238,006,747.22 = 98,128,515.65 : x
  2. Step 2: Convert to fraction form
    172,467,956.67/238,006,747.22 = 98,128,515.65/x
  3. Step 3: Cross multiply
    172,467,956.67x = 238,006,747.22 × 98,128,515.65
  4. Step 4: Simplify right side
    172,467,956.67x = 23,355,248,817,702,688
  5. Step 5: Solve for x
    x = 23,355,248,817,702,688/172,467,956.67
  6. Step 6: Final answer
    x = 135,417,901.79

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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.