Home / 131,345,897.10-197,018,845.65-82,972,956.30

Finding the Fourth Proportional to 131,345,897.10, 197,018,845.65 and 82,972,956.30

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Solution

The fourth proportional to 131,345,897.10, 197,018,845.65 and 82,972,956.30 is: 124,459,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,345,897.10 : 197,018,845.65 = 82,972,956.30 : x
  2. Step 2: Convert to fraction form
    131,345,897.10/197,018,845.65 = 82,972,956.30/x
  3. Step 3: Cross multiply
    131,345,897.10x = 197,018,845.65 × 82,972,956.30
  4. Step 4: Simplify right side
    131,345,897.10x = 16,347,236,070,393,896
  5. Step 5: Solve for x
    x = 16,347,236,070,393,896/131,345,897.10
  6. Step 6: Final answer
    x = 124,459,434.45

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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.