Home / 120,859,051.80-181,269,332.10-40,080,019.80

Finding the Fourth Proportional to 120,859,051.80, 181,269,332.10 and 40,080,019.80

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Solution

The fourth proportional to 120,859,051.80, 181,269,332.10 and 40,080,019.80 is: 60,113,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,859,051.80 : 181,269,332.10 = 40,080,019.80 : x
  2. Step 2: Convert to fraction form
    120,859,051.80/181,269,332.10 = 40,080,019.80/x
  3. Step 3: Cross multiply
    120,859,051.80x = 181,269,332.10 × 40,080,019.80
  4. Step 4: Simplify right side
    120,859,051.80x = 7,265,278,419,700,775
  5. Step 5: Solve for x
    x = 7,265,278,419,700,775/120,859,051.80
  6. Step 6: Final answer
    x = 60,113,647.36

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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.