Home / 121,196,345.80-181,818,138.30-52,109,015.80

Finding the Fourth Proportional to 121,196,345.80, 181,818,138.30 and 52,109,015.80

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Solution

The fourth proportional to 121,196,345.80, 181,818,138.30 and 52,109,015.80 is: 78,173,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,196,345.80 : 181,818,138.30 = 52,109,015.80 : x
  2. Step 2: Convert to fraction form
    121,196,345.80/181,818,138.30 = 52,109,015.80/x
  3. Step 3: Cross multiply
    121,196,345.80x = 181,818,138.30 × 52,109,015.80
  4. Step 4: Simplify right side
    121,196,345.80x = 9,474,364,241,401,286
  5. Step 5: Solve for x
    x = 9,474,364,241,401,286/121,196,345.80
  6. Step 6: Final answer
    x = 78,173,679.07

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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.