Home / 78,080,614.02-107,751,257.56-43,275,551.49

Finding the Fourth Proportional to 78,080,614.02, 107,751,257.56 and 43,275,551.49

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Solution

The fourth proportional to 78,080,614.02, 107,751,257.56 and 43,275,551.49 is: 59,720,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,614.02 : 107,751,257.56 = 43,275,551.49 : x
  2. Step 2: Convert to fraction form
    78,080,614.02/107,751,257.56 = 43,275,551.49/x
  3. Step 3: Cross multiply
    78,080,614.02x = 107,751,257.56 × 43,275,551.49
  4. Step 4: Simplify right side
    78,080,614.02x = 4,662,995,094,650,032
  5. Step 5: Solve for x
    x = 4,662,995,094,650,032/78,080,614.02
  6. Step 6: Final answer
    x = 59,720,266.72

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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.