Home / 162,115,907.42-243,188,810.12-52,941,650.64

Finding the Fourth Proportional to 162,115,907.42, 243,188,810.12 and 52,941,650.64

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Solution

The fourth proportional to 162,115,907.42, 243,188,810.12 and 52,941,650.64 is: 79,417,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,115,907.42 : 243,188,810.12 = 52,941,650.64 : x
  2. Step 2: Convert to fraction form
    162,115,907.42/243,188,810.12 = 52,941,650.64/x
  3. Step 3: Cross multiply
    162,115,907.42x = 243,188,810.12 × 52,941,650.64
  4. Step 4: Simplify right side
    162,115,907.42x = 12,874,817,023,449,684
  5. Step 5: Solve for x
    x = 12,874,817,023,449,684/162,115,907.42
  6. Step 6: Final answer
    x = 79,417,357.80

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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.