Home / 103,635,288,072.20-155,452,938,406.86-25,118,068,968.20

Finding the Fourth Proportional to 103,635,288,072.20, 155,452,938,406.86 and 25,118,068,968.20

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Solution

The fourth proportional to 103,635,288,072.20, 155,452,938,406.86 and 25,118,068,968.20 is: 37,677,104,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635,288,072.20 : 155,452,938,406.86 = 25,118,068,968.20 : x
  2. Step 2: Convert to fraction form
    103,635,288,072.20/155,452,938,406.86 = 25,118,068,968.20/x
  3. Step 3: Cross multiply
    103,635,288,072.20x = 155,452,938,406.86 × 25,118,068,968.20
  4. Step 4: Simplify right side
    103,635,288,072.20x = 3,904,677,628,212,855,963,648
  5. Step 5: Solve for x
    x = 3,904,677,628,212,855,963,648/103,635,288,072.20
  6. Step 6: Final answer
    x = 37,677,104,978.88

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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.