Home / 249,628,864.20-374,293,997.10-128,696,512.20

Finding the Fourth Proportional to 249,628,864.20, 374,293,997.10 and 128,696,512.20

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Solution

The fourth proportional to 249,628,864.20, 374,293,997.10 and 128,696,512.20 is: 192,967,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,628,864.20 : 374,293,997.10 = 128,696,512.20 : x
  2. Step 2: Convert to fraction form
    249,628,864.20/374,293,997.10 = 128,696,512.20/x
  3. Step 3: Cross multiply
    249,628,864.20x = 374,293,997.10 × 128,696,512.20
  4. Step 4: Simplify right side
    249,628,864.20x = 48,170,331,964,166,920
  5. Step 5: Solve for x
    x = 48,170,331,964,166,920/249,628,864.20
  6. Step 6: Final answer
    x = 192,967,796.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.