Home / 78,536,415,161.60-117,821,187,955.60-25,473,327,240.32

Finding the Fourth Proportional to 78,536,415,161.60, 117,821,187,955.60 and 25,473,327,240.32

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Solution

The fourth proportional to 78,536,415,161.60, 117,821,187,955.60 and 25,473,327,240.32 is: 38,215,363,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,536,415,161.60 : 117,821,187,955.60 = 25,473,327,240.32 : x
  2. Step 2: Convert to fraction form
    78,536,415,161.60/117,821,187,955.60 = 25,473,327,240.32/x
  3. Step 3: Cross multiply
    78,536,415,161.60x = 117,821,187,955.60 × 25,473,327,240.32
  4. Step 4: Simplify right side
    78,536,415,161.60x = 3,001,297,676,636,248,342,528
  5. Step 5: Solve for x
    x = 3,001,297,676,636,248,342,528/78,536,415,161.60
  6. Step 6: Final answer
    x = 38,215,363,796.03

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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.