Home / 249,981,010.32-344,988,014.84-139,971,761.04

Finding the Fourth Proportional to 249,981,010.32, 344,988,014.84 and 139,971,761.04

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Solution

The fourth proportional to 249,981,010.32, 344,988,014.84 and 139,971,761.04 is: 193,168,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,981,010.32 : 344,988,014.84 = 139,971,761.04 : x
  2. Step 2: Convert to fraction form
    249,981,010.32/344,988,014.84 = 139,971,761.04/x
  3. Step 3: Cross multiply
    249,981,010.32x = 344,988,014.84 × 139,971,761.04
  4. Step 4: Simplify right side
    249,981,010.32x = 48,288,579,974,848,448
  5. Step 5: Solve for x
    x = 48,288,579,974,848,448/249,981,010.32
  6. Step 6: Final answer
    x = 193,168,992.77

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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.