Home / 87,368,832,130.60-131,053,248,195.90-84,919,952,002.60

Finding the Fourth Proportional to 87,368,832,130.60, 131,053,248,195.90 and 84,919,952,002.60

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Solution

The fourth proportional to 87,368,832,130.60, 131,053,248,195.90 and 84,919,952,002.60 is: 127,379,928,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368,832,130.60 : 131,053,248,195.90 = 84,919,952,002.60 : x
  2. Step 2: Convert to fraction form
    87,368,832,130.60/131,053,248,195.90 = 84,919,952,002.60/x
  3. Step 3: Cross multiply
    87,368,832,130.60x = 131,053,248,195.90 × 84,919,952,002.60
  4. Step 4: Simplify right side
    87,368,832,130.60x = 11,129,035,546,580,653,965,312
  5. Step 5: Solve for x
    x = 11,129,035,546,580,653,965,312/87,368,832,130.60
  6. Step 6: Final answer
    x = 127,379,928,003.90

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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.