Home / 348,442,213.86-522,742,062.87-115,272,374.40

Finding the Fourth Proportional to 348,442,213.86, 522,742,062.87 and 115,272,374.40

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Solution

The fourth proportional to 348,442,213.86, 522,742,062.87 and 115,272,374.40 is: 172,934,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,442,213.86 : 522,742,062.87 = 115,272,374.40 : x
  2. Step 2: Convert to fraction form
    348,442,213.86/522,742,062.87 = 115,272,374.40/x
  3. Step 3: Cross multiply
    348,442,213.86x = 522,742,062.87 × 115,272,374.40
  4. Step 4: Simplify right side
    348,442,213.86x = 60,257,718,784,104,200
  5. Step 5: Solve for x
    x = 60,257,718,784,104,200/348,442,213.86
  6. Step 6: Final answer
    x = 172,934,611.21

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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.