Home / 117,111,077.12-161,615,053.88-64,187,361.33

Finding the Fourth Proportional to 117,111,077.12, 161,615,053.88 and 64,187,361.33

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Solution

The fourth proportional to 117,111,077.12, 161,615,053.88 and 64,187,361.33 is: 88,579,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,111,077.12 : 161,615,053.88 = 64,187,361.33 : x
  2. Step 2: Convert to fraction form
    117,111,077.12/161,615,053.88 = 64,187,361.33/x
  3. Step 3: Cross multiply
    117,111,077.12x = 161,615,053.88 × 64,187,361.33
  4. Step 4: Simplify right side
    117,111,077.12x = 10,373,643,860,440,396
  5. Step 5: Solve for x
    x = 10,373,643,860,440,396/117,111,077.12
  6. Step 6: Final answer
    x = 88,579,527.37

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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.