Home / 134,861,412.92-186,109,213.26-72,981,735.32

Finding the Fourth Proportional to 134,861,412.92, 186,109,213.26 and 72,981,735.32

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Solution

The fourth proportional to 134,861,412.92, 186,109,213.26 and 72,981,735.32 is: 100,715,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,861,412.92 : 186,109,213.26 = 72,981,735.32 : x
  2. Step 2: Convert to fraction form
    134,861,412.92/186,109,213.26 = 72,981,735.32/x
  3. Step 3: Cross multiply
    134,861,412.92x = 186,109,213.26 × 72,981,735.32
  4. Step 4: Simplify right side
    134,861,412.92x = 13,582,573,342,754,752
  5. Step 5: Solve for x
    x = 13,582,573,342,754,752/134,861,412.92
  6. Step 6: Final answer
    x = 100,715,045.53

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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.