Home / 251,266,387.20-346,742,642.07-139,754,829.30

Finding the Fourth Proportional to 251,266,387.20, 346,742,642.07 and 139,754,829.30

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Solution

The fourth proportional to 251,266,387.20, 346,742,642.07 and 139,754,829.30 is: 192,858,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,266,387.20 : 346,742,642.07 = 139,754,829.30 : x
  2. Step 2: Convert to fraction form
    251,266,387.20/346,742,642.07 = 139,754,829.30/x
  3. Step 3: Cross multiply
    251,266,387.20x = 346,742,642.07 × 139,754,829.30
  4. Step 4: Simplify right side
    251,266,387.20x = 48,458,958,753,523,848
  5. Step 5: Solve for x
    x = 48,458,958,753,523,848/251,266,387.20
  6. Step 6: Final answer
    x = 192,858,898.85

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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.