Home / 140,707,269-211,036,080.90-54,374,700.36

Finding the Fourth Proportional to 140,707,269, 211,036,080.90 and 54,374,700.36

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Solution

The fourth proportional to 140,707,269, 211,036,080.90 and 54,374,700.36 is: 81,552,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,707,269 : 211,036,080.90 = 54,374,700.36 : x
  2. Step 2: Convert to fraction form
    140,707,269/211,036,080.90 = 54,374,700.36/x
  3. Step 3: Cross multiply
    140,707,269x = 211,036,080.90 × 54,374,700.36
  4. Step 4: Simplify right side
    140,707,269x = 11,475,023,664,086,220
  5. Step 5: Solve for x
    x = 11,475,023,664,086,220/140,707,269
  6. Step 6: Final answer
    x = 81,552,458.13

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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.