Home / 249,801,256.40-344,761,791.90-143,934,395.72

Finding the Fourth Proportional to 249,801,256.40, 344,761,791.90 and 143,934,395.72

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Solution

The fourth proportional to 249,801,256.40, 344,761,791.90 and 143,934,395.72 is: 198,650,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,801,256.40 : 344,761,791.90 = 143,934,395.72 : x
  2. Step 2: Convert to fraction form
    249,801,256.40/344,761,791.90 = 143,934,395.72/x
  3. Step 3: Cross multiply
    249,801,256.40x = 344,761,791.90 × 143,934,395.72
  4. Step 4: Simplify right side
    249,801,256.40x = 49,623,080,184,470,888
  5. Step 5: Solve for x
    x = 49,623,080,184,470,888/249,801,256.40
  6. Step 6: Final answer
    x = 198,650,242.60

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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.