Home / 140,645,901.98-210,976,824.52-43,615,404.20

Finding the Fourth Proportional to 140,645,901.98, 210,976,824.52 and 43,615,404.20

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Solution

The fourth proportional to 140,645,901.98, 210,976,824.52 and 43,615,404.20 is: 65,425,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,645,901.98 : 210,976,824.52 = 43,615,404.20 : x
  2. Step 2: Convert to fraction form
    140,645,901.98/210,976,824.52 = 43,615,404.20/x
  3. Step 3: Cross multiply
    140,645,901.98x = 210,976,824.52 × 43,615,404.20
  4. Step 4: Simplify right side
    140,645,901.98x = 9,201,839,478,272,272
  5. Step 5: Solve for x
    x = 9,201,839,478,272,272/140,645,901.98
  6. Step 6: Final answer
    x = 65,425,578.34

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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.