Home / 122,442,886.36-168,971,186.26-67,438,742.86

Finding the Fourth Proportional to 122,442,886.36, 168,971,186.26 and 67,438,742.86

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Solution

The fourth proportional to 122,442,886.36, 168,971,186.26 and 67,438,742.86 is: 93,065,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,442,886.36 : 168,971,186.26 = 67,438,742.86 : x
  2. Step 2: Convert to fraction form
    122,442,886.36/168,971,186.26 = 67,438,742.86/x
  3. Step 3: Cross multiply
    122,442,886.36x = 168,971,186.26 × 67,438,742.86
  4. Step 4: Simplify right side
    122,442,886.36x = 11,395,204,380,937,304
  5. Step 5: Solve for x
    x = 11,395,204,380,937,304/122,442,886.36
  6. Step 6: Final answer
    x = 93,065,466.84

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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.