Home / 122,001,964.32-168,356,648.70-69,070,440.72

Finding the Fourth Proportional to 122,001,964.32, 168,356,648.70 and 69,070,440.72

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Solution

The fourth proportional to 122,001,964.32, 168,356,648.70 and 69,070,440.72 is: 95,313,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001,964.32 : 168,356,648.70 = 69,070,440.72 : x
  2. Step 2: Convert to fraction form
    122,001,964.32/168,356,648.70 = 69,070,440.72/x
  3. Step 3: Cross multiply
    122,001,964.32x = 168,356,648.70 × 69,070,440.72
  4. Step 4: Simplify right side
    122,001,964.32x = 11,628,467,923,851,214
  5. Step 5: Solve for x
    x = 11,628,467,923,851,214/122,001,964.32
  6. Step 6: Final answer
    x = 95,313,776.21

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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.