Home / 367,139,987.85-550,550,549.48-121,401,669.45

Finding the Fourth Proportional to 367,139,987.85, 550,550,549.48 and 121,401,669.45

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Solution

The fourth proportional to 367,139,987.85, 550,550,549.48 and 121,401,669.45 is: 182,049,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,139,987.85 : 550,550,549.48 = 121,401,669.45 : x
  2. Step 2: Convert to fraction form
    367,139,987.85/550,550,549.48 = 121,401,669.45/x
  3. Step 3: Cross multiply
    367,139,987.85x = 550,550,549.48 × 121,401,669.45
  4. Step 4: Simplify right side
    367,139,987.85x = 66,837,755,822,879,824
  5. Step 5: Solve for x
    x = 66,837,755,822,879,824/367,139,987.85
  6. Step 6: Final answer
    x = 182,049,784.92

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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.