Home / 87,968,113,206.30-121,456,730,719.62-82,347,933,312.54

Finding the Fourth Proportional to 87,968,113,206.30, 121,456,730,719.62 and 82,347,933,312.54

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Solution

The fourth proportional to 87,968,113,206.30, 121,456,730,719.62 and 82,347,933,312.54 is: 113,697,002,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968,113,206.30 : 121,456,730,719.62 = 82,347,933,312.54 : x
  2. Step 2: Convert to fraction form
    87,968,113,206.30/121,456,730,719.62 = 82,347,933,312.54/x
  3. Step 3: Cross multiply
    87,968,113,206.30x = 121,456,730,719.62 × 82,347,933,312.54
  4. Step 4: Simplify right side
    87,968,113,206.30x = 10,001,710,761,658,395,131,904
  5. Step 5: Solve for x
    x = 10,001,710,761,658,395,131,904/87,968,113,206.30
  6. Step 6: Final answer
    x = 113,697,002,210.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.