Home / 79,132,607.79-109,203,639.93-43,851,002.23

Finding the Fourth Proportional to 79,132,607.79, 109,203,639.93 and 43,851,002.23

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Solution

The fourth proportional to 79,132,607.79, 109,203,639.93 and 43,851,002.23 is: 60,514,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132,607.79 : 109,203,639.93 = 43,851,002.23 : x
  2. Step 2: Convert to fraction form
    79,132,607.79/109,203,639.93 = 43,851,002.23/x
  3. Step 3: Cross multiply
    79,132,607.79x = 109,203,639.93 × 43,851,002.23
  4. Step 4: Simplify right side
    79,132,607.79x = 4,788,689,057,821,538
  5. Step 5: Solve for x
    x = 4,788,689,057,821,538/79,132,607.79
  6. Step 6: Final answer
    x = 60,514,738.38

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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.