Home / 348,442,374.90-522,742,305.14-115,272,536.22

Finding the Fourth Proportional to 348,442,374.90, 522,742,305.14 and 115,272,536.22

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Solution

The fourth proportional to 348,442,374.90, 522,742,305.14 and 115,272,536.22 is: 172,934,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,442,374.90 : 522,742,305.14 = 115,272,536.22 : x
  2. Step 2: Convert to fraction form
    348,442,374.90/522,742,305.14 = 115,272,536.22/x
  3. Step 3: Cross multiply
    348,442,374.90x = 522,742,305.14 × 115,272,536.22
  4. Step 4: Simplify right side
    348,442,374.90x = 60,257,831,303,265,120
  5. Step 5: Solve for x
    x = 60,257,831,303,265,120/348,442,374.90
  6. Step 6: Final answer
    x = 172,934,854.21

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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.