Home / 249,800,721.17-344,761,071.48-143,933,868.18

Finding the Fourth Proportional to 249,800,721.17, 344,761,071.48 and 143,933,868.18

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Solution

The fourth proportional to 249,800,721.17, 344,761,071.48 and 143,933,868.18 is: 198,649,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,800,721.17 : 344,761,071.48 = 143,933,868.18 : x
  2. Step 2: Convert to fraction form
    249,800,721.17/344,761,071.48 = 143,933,868.18/x
  3. Step 3: Cross multiply
    249,800,721.17x = 344,761,071.48 × 143,933,868.18
  4. Step 4: Simplify right side
    249,800,721.17x = 49,622,794,615,997,880
  5. Step 5: Solve for x
    x = 49,622,794,615,997,880/249,800,721.17
  6. Step 6: Final answer
    x = 198,649,525.05

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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.