Home / 188,012,686.41-281,359,239.05-151,033,710.80

Finding the Fourth Proportional to 188,012,686.41, 281,359,239.05 and 151,033,710.80

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Solution

The fourth proportional to 188,012,686.41, 281,359,239.05 and 151,033,710.80 is: 226,020,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,012,686.41 : 281,359,239.05 = 151,033,710.80 : x
  2. Step 2: Convert to fraction form
    188,012,686.41/281,359,239.05 = 151,033,710.80/x
  3. Step 3: Cross multiply
    188,012,686.41x = 281,359,239.05 × 151,033,710.80
  4. Step 4: Simplify right side
    188,012,686.41x = 42,494,729,939,423,800
  5. Step 5: Solve for x
    x = 42,494,729,939,423,800/188,012,686.41
  6. Step 6: Final answer
    x = 226,020,545.48

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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.