Home / 79,076,012.20-118,414,952.70-52,003,090.60

Finding the Fourth Proportional to 79,076,012.20, 118,414,952.70 and 52,003,090.60

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Solution

The fourth proportional to 79,076,012.20, 118,414,952.70 and 52,003,090.60 is: 77,873,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076,012.20 : 118,414,952.70 = 52,003,090.60 : x
  2. Step 2: Convert to fraction form
    79,076,012.20/118,414,952.70 = 52,003,090.60/x
  3. Step 3: Cross multiply
    79,076,012.20x = 118,414,952.70 × 52,003,090.60
  4. Step 4: Simplify right side
    79,076,012.20x = 6,157,943,513,652,815
  5. Step 5: Solve for x
    x = 6,157,943,513,652,815/79,076,012.20
  6. Step 6: Final answer
    x = 77,873,723.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.