Home / 79,042,969.68-109,076,951.07-43,762,344

Finding the Fourth Proportional to 79,042,969.68, 109,076,951.07 and 43,762,344

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Solution

The fourth proportional to 79,042,969.68, 109,076,951.07 and 43,762,344 is: 60,390,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042,969.68 : 109,076,951.07 = 43,762,344 : x
  2. Step 2: Convert to fraction form
    79,042,969.68/109,076,951.07 = 43,762,344/x
  3. Step 3: Cross multiply
    79,042,969.68x = 109,076,951.07 × 43,762,344
  4. Step 4: Simplify right side
    79,042,969.68x = 4,773,463,055,196,508
  5. Step 5: Solve for x
    x = 4,773,463,055,196,508/79,042,969.68
  6. Step 6: Final answer
    x = 60,390,735.25

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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.