Home / 116,981,367.04-161,439,330.78-64,770,407.32

Finding the Fourth Proportional to 116,981,367.04, 161,439,330.78 and 64,770,407.32

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Solution

The fourth proportional to 116,981,367.04, 161,439,330.78 and 64,770,407.32 is: 89,385,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,981,367.04 : 161,439,330.78 = 64,770,407.32 : x
  2. Step 2: Convert to fraction form
    116,981,367.04/161,439,330.78 = 64,770,407.32/x
  3. Step 3: Cross multiply
    116,981,367.04x = 161,439,330.78 × 64,770,407.32
  4. Step 4: Simplify right side
    116,981,367.04x = 10,456,491,211,685,216
  5. Step 5: Solve for x
    x = 10,456,491,211,685,216/116,981,367.04
  6. Step 6: Final answer
    x = 89,385,955.01

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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.