Home / 132,407,170,361.66-198,642,321,699.36-42,870,190,719.38

Finding the Fourth Proportional to 132,407,170,361.66, 198,642,321,699.36 and 42,870,190,719.38

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Solution

The fourth proportional to 132,407,170,361.66, 198,642,321,699.36 and 42,870,190,719.38 is: 64,315,506,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,407,170,361.66 : 198,642,321,699.36 = 42,870,190,719.38 : x
  2. Step 2: Convert to fraction form
    132,407,170,361.66/198,642,321,699.36 = 42,870,190,719.38/x
  3. Step 3: Cross multiply
    132,407,170,361.66x = 198,642,321,699.36 × 42,870,190,719.38
  4. Step 4: Simplify right side
    132,407,170,361.66x = 8,515,834,216,191,601,147,904
  5. Step 5: Solve for x
    x = 8,515,834,216,191,601,147,904/132,407,170,361.66
  6. Step 6: Final answer
    x = 64,315,506,425.61

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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.