Home / 131,248,256.80-196,777,906.80-73,758,150.40

Finding the Fourth Proportional to 131,248,256.80, 196,777,906.80 and 73,758,150.40

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Solution

The fourth proportional to 131,248,256.80, 196,777,906.80 and 73,758,150.40 is: 110,584,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,248,256.80 : 196,777,906.80 = 73,758,150.40 : x
  2. Step 2: Convert to fraction form
    131,248,256.80/196,777,906.80 = 73,758,150.40/x
  3. Step 3: Cross multiply
    131,248,256.80x = 196,777,906.80 × 73,758,150.40
  4. Step 4: Simplify right side
    131,248,256.80x = 14,513,974,445,151,584
  5. Step 5: Solve for x
    x = 14,513,974,445,151,584/131,248,256.80
  6. Step 6: Final answer
    x = 110,584,131.17

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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.