Home / 189,397,738.30-284,096,607.45-124,774,512.70

Finding the Fourth Proportional to 189,397,738.30, 284,096,607.45 and 124,774,512.70

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Solution

The fourth proportional to 189,397,738.30, 284,096,607.45 and 124,774,512.70 is: 187,161,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,397,738.30 : 284,096,607.45 = 124,774,512.70 : x
  2. Step 2: Convert to fraction form
    189,397,738.30/284,096,607.45 = 124,774,512.70/x
  3. Step 3: Cross multiply
    189,397,738.30x = 284,096,607.45 × 124,774,512.70
  4. Step 4: Simplify right side
    189,397,738.30x = 35,448,015,754,296,940
  5. Step 5: Solve for x
    x = 35,448,015,754,296,940/189,397,738.30
  6. Step 6: Final answer
    x = 187,161,769.05

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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.