Home / 207,180,996.72-285,909,732.12-114,361,480.56

Finding the Fourth Proportional to 207,180,996.72, 285,909,732.12 and 114,361,480.56

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Solution

The fourth proportional to 207,180,996.72, 285,909,732.12 and 114,361,480.56 is: 157,818,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,180,996.72 : 285,909,732.12 = 114,361,480.56 : x
  2. Step 2: Convert to fraction form
    207,180,996.72/285,909,732.12 = 114,361,480.56/x
  3. Step 3: Cross multiply
    207,180,996.72x = 285,909,732.12 × 114,361,480.56
  4. Step 4: Simplify right side
    207,180,996.72x = 32,697,060,271,756,188
  5. Step 5: Solve for x
    x = 32,697,060,271,756,188/207,180,996.72
  6. Step 6: Final answer
    x = 157,818,819.24

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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.