Home / 192,168,060.79-288,192,474.56-69,330,409.51

Finding the Fourth Proportional to 192,168,060.79, 288,192,474.56 and 69,330,409.51

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Solution

The fourth proportional to 192,168,060.79, 288,192,474.56 and 69,330,409.51 is: 103,974,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,168,060.79 : 288,192,474.56 = 69,330,409.51 : x
  2. Step 2: Convert to fraction form
    192,168,060.79/288,192,474.56 = 69,330,409.51/x
  3. Step 3: Cross multiply
    192,168,060.79x = 288,192,474.56 × 69,330,409.51
  4. Step 4: Simplify right side
    192,168,060.79x = 19,980,502,278,598,408
  5. Step 5: Solve for x
    x = 19,980,502,278,598,408/192,168,060.79
  6. Step 6: Final answer
    x = 103,974,105.77

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1.5x scale

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.