Home / 348,442,375.90-522,742,306.64-115,272,537.22

Finding the Fourth Proportional to 348,442,375.90, 522,742,306.64 and 115,272,537.22

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Solution

The fourth proportional to 348,442,375.90, 522,742,306.64 and 115,272,537.22 is: 172,934,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,442,375.90 : 522,742,306.64 = 115,272,537.22 : x
  2. Step 2: Convert to fraction form
    348,442,375.90/522,742,306.64 = 115,272,537.22/x
  3. Step 3: Cross multiply
    348,442,375.90x = 522,742,306.64 × 115,272,537.22
  4. Step 4: Simplify right side
    348,442,375.90x = 60,257,831,998,628,048
  5. Step 5: Solve for x
    x = 60,257,831,998,628,048/348,442,375.90
  6. Step 6: Final answer
    x = 172,934,855.71

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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.