Home / 243,126,536.80-364,380,147.60-99,356,936.80

Finding the Fourth Proportional to 243,126,536.80, 364,380,147.60 and 99,356,936.80

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Solution

The fourth proportional to 243,126,536.80, 364,380,147.60 and 99,356,936.80 is: 148,908,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,126,536.80 : 364,380,147.60 = 99,356,936.80 : x
  2. Step 2: Convert to fraction form
    243,126,536.80/364,380,147.60 = 99,356,936.80/x
  3. Step 3: Cross multiply
    243,126,536.80x = 364,380,147.60 × 99,356,936.80
  4. Step 4: Simplify right side
    243,126,536.80x = 36,203,695,296,267,872
  5. Step 5: Solve for x
    x = 36,203,695,296,267,872/243,126,536.80
  6. Step 6: Final answer
    x = 148,908,859.45

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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.