Home / 79,272,296.72-109,395,542.01-43,995,426

Finding the Fourth Proportional to 79,272,296.72, 109,395,542.01 and 43,995,426

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Solution

The fourth proportional to 79,272,296.72, 109,395,542.01 and 43,995,426 is: 60,713,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272,296.72 : 109,395,542.01 = 43,995,426 : x
  2. Step 2: Convert to fraction form
    79,272,296.72/109,395,542.01 = 43,995,426/x
  3. Step 3: Cross multiply
    79,272,296.72x = 109,395,542.01 × 43,995,426
  4. Step 4: Simplify right side
    79,272,296.72x = 4,812,903,473,230,846
  5. Step 5: Solve for x
    x = 4,812,903,473,230,846/79,272,296.72
  6. Step 6: Final answer
    x = 60,713,561.64

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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.