Home / 157,545,343.85-217,152,364.59-105,315,322.37

Finding the Fourth Proportional to 157,545,343.85, 217,152,364.59 and 105,315,322.37

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Solution

The fourth proportional to 157,545,343.85, 217,152,364.59 and 105,315,322.37 is: 145,161,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,545,343.85 : 217,152,364.59 = 105,315,322.37 : x
  2. Step 2: Convert to fraction form
    157,545,343.85/217,152,364.59 = 105,315,322.37/x
  3. Step 3: Cross multiply
    157,545,343.85x = 217,152,364.59 × 105,315,322.37
  4. Step 4: Simplify right side
    157,545,343.85x = 22,869,471,279,117,860
  5. Step 5: Solve for x
    x = 22,869,471,279,117,860/157,545,343.85
  6. Step 6: Final answer
    x = 145,161,200.71

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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.