Home / 245,120,901.17-338,256,663.21-133,609,288.61

Finding the Fourth Proportional to 245,120,901.17, 338,256,663.21 and 133,609,288.61

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Solution

The fourth proportional to 245,120,901.17, 338,256,663.21 and 133,609,288.61 is: 184,375,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,120,901.17 : 338,256,663.21 = 133,609,288.61 : x
  2. Step 2: Convert to fraction form
    245,120,901.17/338,256,663.21 = 133,609,288.61/x
  3. Step 3: Cross multiply
    245,120,901.17x = 338,256,663.21 × 133,609,288.61
  4. Step 4: Simplify right side
    245,120,901.17x = 45,194,232,139,080,456
  5. Step 5: Solve for x
    x = 45,194,232,139,080,456/245,120,901.17
  6. Step 6: Final answer
    x = 184,375,269.20

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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.