Home / 212,850,003,150.31-293,734,836,103.40-121,403,186,005.54

Finding the Fourth Proportional to 212,850,003,150.31, 293,734,836,103.40 and 121,403,186,005.54

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Solution

The fourth proportional to 212,850,003,150.31, 293,734,836,103.40 and 121,403,186,005.54 is: 167,537,441,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,850,003,150.31 : 293,734,836,103.40 = 121,403,186,005.54 : x
  2. Step 2: Convert to fraction form
    212,850,003,150.31/293,734,836,103.40 = 121,403,186,005.54/x
  3. Step 3: Cross multiply
    212,850,003,150.31x = 293,734,836,103.40 × 121,403,186,005.54
  4. Step 4: Simplify right side
    212,850,003,150.31x = 35,660,344,943,767,877,320,704
  5. Step 5: Solve for x
    x = 35,660,344,943,767,877,320,704/212,850,003,150.31
  6. Step 6: Final answer
    x = 167,537,441,465.69

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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.