Home / 189,292,264.32-261,221,844.60-102,372,136.32

Finding the Fourth Proportional to 189,292,264.32, 261,221,844.60 and 102,372,136.32

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Solution

The fourth proportional to 189,292,264.32, 261,221,844.60 and 102,372,136.32 is: 141,272,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,292,264.32 : 261,221,844.60 = 102,372,136.32 : x
  2. Step 2: Convert to fraction form
    189,292,264.32/261,221,844.60 = 102,372,136.32/x
  3. Step 3: Cross multiply
    189,292,264.32x = 261,221,844.60 × 102,372,136.32
  4. Step 4: Simplify right side
    189,292,264.32x = 26,741,838,285,153,052
  5. Step 5: Solve for x
    x = 26,741,838,285,153,052/189,292,264.32
  6. Step 6: Final answer
    x = 141,272,747.63

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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.