Home / 143,960,852.71-198,671,609.32-84,413,872.81

Finding the Fourth Proportional to 143,960,852.71, 198,671,609.32 and 84,413,872.81

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Solution

The fourth proportional to 143,960,852.71, 198,671,609.32 and 84,413,872.81 is: 116,494,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,960,852.71 : 198,671,609.32 = 84,413,872.81 : x
  2. Step 2: Convert to fraction form
    143,960,852.71/198,671,609.32 = 84,413,872.81/x
  3. Step 3: Cross multiply
    143,960,852.71x = 198,671,609.32 × 84,413,872.81
  4. Step 4: Simplify right side
    143,960,852.71x = 16,770,639,960,133,796
  5. Step 5: Solve for x
    x = 16,770,639,960,133,796/143,960,852.71
  6. Step 6: Final answer
    x = 116,494,447.24

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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.