Home / 140,304,004.20-210,256,940.70-103,626,167.40

Finding the Fourth Proportional to 140,304,004.20, 210,256,940.70 and 103,626,167.40

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Solution

The fourth proportional to 140,304,004.20, 210,256,940.70 and 103,626,167.40 is: 155,292,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304,004.20 : 210,256,940.70 = 103,626,167.40 : x
  2. Step 2: Convert to fraction form
    140,304,004.20/210,256,940.70 = 103,626,167.40/x
  3. Step 3: Cross multiply
    140,304,004.20x = 210,256,940.70 × 103,626,167.40
  4. Step 4: Simplify right side
    140,304,004.20x = 21,788,120,933,990,072
  5. Step 5: Solve for x
    x = 21,788,120,933,990,072/140,304,004.20
  6. Step 6: Final answer
    x = 155,292,224.61

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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.