Home / 147,478,991,272.64-203,518,842,012.48-82,374,368,682.03

Finding the Fourth Proportional to 147,478,991,272.64, 203,518,842,012.48 and 82,374,368,682.03

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Solution

The fourth proportional to 147,478,991,272.64, 203,518,842,012.48 and 82,374,368,682.03 is: 113,675,418,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,478,991,272.64 : 203,518,842,012.48 = 82,374,368,682.03 : x
  2. Step 2: Convert to fraction form
    147,478,991,272.64/203,518,842,012.48 = 82,374,368,682.03/x
  3. Step 3: Cross multiply
    147,478,991,272.64x = 203,518,842,012.48 × 82,374,368,682.03
  4. Step 4: Simplify right side
    147,478,991,272.64x = 16,764,736,125,675,845,451,776
  5. Step 5: Solve for x
    x = 16,764,736,125,675,845,451,776/147,478,991,272.64
  6. Step 6: Final answer
    x = 113,675,418,993.63

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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.