Home / 249,628,865.70-374,293,999.35-128,696,513.70

Finding the Fourth Proportional to 249,628,865.70, 374,293,999.35 and 128,696,513.70

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Solution

The fourth proportional to 249,628,865.70, 374,293,999.35 and 128,696,513.70 is: 192,967,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,628,865.70 : 374,293,999.35 = 128,696,513.70 : x
  2. Step 2: Convert to fraction form
    249,628,865.70/374,293,999.35 = 128,696,513.70/x
  3. Step 3: Cross multiply
    249,628,865.70x = 374,293,999.35 × 128,696,513.70
  4. Step 4: Simplify right side
    249,628,865.70x = 48,170,332,815,175,072
  5. Step 5: Solve for x
    x = 48,170,332,815,175,072/249,628,865.70
  6. Step 6: Final answer
    x = 192,967,799.14

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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.