Home / 281,191,608-421,854,753.84-117,338,216.52

Finding the Fourth Proportional to 281,191,608, 421,854,753.84 and 117,338,216.52

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Solution

The fourth proportional to 281,191,608, 421,854,753.84 and 117,338,216.52 is: 176,035,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,191,608 : 421,854,753.84 = 117,338,216.52 : x
  2. Step 2: Convert to fraction form
    281,191,608/421,854,753.84 = 117,338,216.52/x
  3. Step 3: Cross multiply
    281,191,608x = 421,854,753.84 × 117,338,216.52
  4. Step 4: Simplify right side
    281,191,608x = 49,499,684,446,069,216
  5. Step 5: Solve for x
    x = 49,499,684,446,069,216/281,191,608
  6. Step 6: Final answer
    x = 176,035,425.80

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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.