Home / 157,731,004.91-236,385,021.70-122,758,350.56

Finding the Fourth Proportional to 157,731,004.91, 236,385,021.70 and 122,758,350.56

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Solution

The fourth proportional to 157,731,004.91, 236,385,021.70 and 122,758,350.56 is: 183,972,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,731,004.91 : 236,385,021.70 = 122,758,350.56 : x
  2. Step 2: Convert to fraction form
    157,731,004.91/236,385,021.70 = 122,758,350.56/x
  3. Step 3: Cross multiply
    157,731,004.91x = 236,385,021.70 × 122,758,350.56
  4. Step 4: Simplify right side
    157,731,004.91x = 29,018,235,361,399,572
  5. Step 5: Solve for x
    x = 29,018,235,361,399,572/157,731,004.91
  6. Step 6: Final answer
    x = 183,972,931.49

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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.