Home / 242,380,109.13-363,621,232.11-78,605,095.68

Finding the Fourth Proportional to 242,380,109.13, 363,621,232.11 and 78,605,095.68

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Solution

The fourth proportional to 242,380,109.13, 363,621,232.11 and 78,605,095.68 is: 117,924,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,380,109.13 : 363,621,232.11 = 78,605,095.68 : x
  2. Step 2: Convert to fraction form
    242,380,109.13/363,621,232.11 = 78,605,095.68/x
  3. Step 3: Cross multiply
    242,380,109.13x = 363,621,232.11 × 78,605,095.68
  4. Step 4: Simplify right side
    242,380,109.13x = 28,582,481,741,580,808
  5. Step 5: Solve for x
    x = 28,582,481,741,580,808/242,380,109.13
  6. Step 6: Final answer
    x = 117,924,205.27

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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.