Home / 249,801,257.40-344,761,793.28-143,934,396.72

Finding the Fourth Proportional to 249,801,257.40, 344,761,793.28 and 143,934,396.72

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Solution

The fourth proportional to 249,801,257.40, 344,761,793.28 and 143,934,396.72 is: 198,650,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,801,257.40 : 344,761,793.28 = 143,934,396.72 : x
  2. Step 2: Convert to fraction form
    249,801,257.40/344,761,793.28 = 143,934,396.72/x
  3. Step 3: Cross multiply
    249,801,257.40x = 344,761,793.28 × 143,934,396.72
  4. Step 4: Simplify right side
    249,801,257.40x = 49,623,080,727,862,144
  5. Step 5: Solve for x
    x = 49,623,080,727,862,144/249,801,257.40
  6. Step 6: Final answer
    x = 198,650,243.98

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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.