Home / 74,759,841.80-112,076,777.10-38,858,049.80

Finding the Fourth Proportional to 74,759,841.80, 112,076,777.10 and 38,858,049.80

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Solution

The fourth proportional to 74,759,841.80, 112,076,777.10 and 38,858,049.80 is: 58,254,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759,841.80 : 112,076,777.10 = 38,858,049.80 : x
  2. Step 2: Convert to fraction form
    74,759,841.80/112,076,777.10 = 38,858,049.80/x
  3. Step 3: Cross multiply
    74,759,841.80x = 112,076,777.10 × 38,858,049.80
  4. Step 4: Simplify right side
    74,759,841.80x = 4,355,084,985,975,299
  5. Step 5: Solve for x
    x = 4,355,084,985,975,299/74,759,841.80
  6. Step 6: Final answer
    x = 58,254,336.57

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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.