Home / 251,266,392.20-346,742,648.96-139,754,834.30

Finding the Fourth Proportional to 251,266,392.20, 346,742,648.96 and 139,754,834.30

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Solution

The fourth proportional to 251,266,392.20, 346,742,648.96 and 139,754,834.30 is: 192,858,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,266,392.20 : 346,742,648.96 = 139,754,834.30 : x
  2. Step 2: Convert to fraction form
    251,266,392.20/346,742,648.96 = 139,754,834.30/x
  3. Step 3: Cross multiply
    251,266,392.20x = 346,742,648.96 × 139,754,834.30
  4. Step 4: Simplify right side
    251,266,392.20x = 48,458,961,450,147,872
  5. Step 5: Solve for x
    x = 48,458,961,450,147,872/251,266,392.20
  6. Step 6: Final answer
    x = 192,858,905.74

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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.