Home / 313,131,786.93-432,096,665.64-180,981,342.81

Finding the Fourth Proportional to 313,131,786.93, 432,096,665.64 and 180,981,342.81

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Solution

The fourth proportional to 313,131,786.93, 432,096,665.64 and 180,981,342.81 is: 249,739,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,131,786.93 : 432,096,665.64 = 180,981,342.81 : x
  2. Step 2: Convert to fraction form
    313,131,786.93/432,096,665.64 = 180,981,342.81/x
  3. Step 3: Cross multiply
    313,131,786.93x = 432,096,665.64 × 180,981,342.81
  4. Step 4: Simplify right side
    313,131,786.93x = 78,201,434,771,250,784
  5. Step 5: Solve for x
    x = 78,201,434,771,250,784/313,131,786.93
  6. Step 6: Final answer
    x = 249,739,688.00

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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.