Home / 134,861,410.92-186,109,210.50-72,981,733.32

Finding the Fourth Proportional to 134,861,410.92, 186,109,210.50 and 72,981,733.32

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Solution

The fourth proportional to 134,861,410.92, 186,109,210.50 and 72,981,733.32 is: 100,715,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,861,410.92 : 186,109,210.50 = 72,981,733.32 : x
  2. Step 2: Convert to fraction form
    134,861,410.92/186,109,210.50 = 72,981,733.32/x
  3. Step 3: Cross multiply
    134,861,410.92x = 186,109,210.50 × 72,981,733.32
  4. Step 4: Simplify right side
    134,861,410.92x = 13,582,572,769,106,742
  5. Step 5: Solve for x
    x = 13,582,572,769,106,742/134,861,410.92
  6. Step 6: Final answer
    x = 100,715,042.77

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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.