Home / 196,126,441.77-270,666,781.43-108,020,421.93

Finding the Fourth Proportional to 196,126,441.77, 270,666,781.43 and 108,020,421.93

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Solution

The fourth proportional to 196,126,441.77, 270,666,781.43 and 108,020,421.93 is: 149,074,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,126,441.77 : 270,666,781.43 = 108,020,421.93 : x
  2. Step 2: Convert to fraction form
    196,126,441.77/270,666,781.43 = 108,020,421.93/x
  3. Step 3: Cross multiply
    196,126,441.77x = 270,666,781.43 × 108,020,421.93
  4. Step 4: Simplify right side
    196,126,441.77x = 29,237,539,932,503,692
  5. Step 5: Solve for x
    x = 29,237,539,932,503,692/196,126,441.77
  6. Step 6: Final answer
    x = 149,074,952.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.