Home / 79,703,420.86-109,987,322.40-44,419,348.43

Finding the Fourth Proportional to 79,703,420.86, 109,987,322.40 and 44,419,348.43

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Solution

The fourth proportional to 79,703,420.86, 109,987,322.40 and 44,419,348.43 is: 61,296,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,703,420.86 : 109,987,322.40 = 44,419,348.43 : x
  2. Step 2: Convert to fraction form
    79,703,420.86/109,987,322.40 = 44,419,348.43/x
  3. Step 3: Cross multiply
    79,703,420.86x = 109,987,322.40 × 44,419,348.43
  4. Step 4: Simplify right side
    79,703,420.86x = 4,885,565,196,018,407
  5. Step 5: Solve for x
    x = 4,885,565,196,018,407/79,703,420.86
  6. Step 6: Final answer
    x = 61,296,806.88

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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.