Home / 87,893,783.72-121,282,273.02-48,190,866.28

Finding the Fourth Proportional to 87,893,783.72, 121,282,273.02 and 48,190,866.28

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Solution

The fourth proportional to 87,893,783.72, 121,282,273.02 and 48,190,866.28 is: 66,497,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,893,783.72 : 121,282,273.02 = 48,190,866.28 : x
  2. Step 2: Convert to fraction form
    87,893,783.72/121,282,273.02 = 48,190,866.28/x
  3. Step 3: Cross multiply
    87,893,783.72x = 121,282,273.02 × 48,190,866.28
  4. Step 4: Simplify right side
    87,893,783.72x = 5,844,697,801,241,272
  5. Step 5: Solve for x
    x = 5,844,697,801,241,272/87,893,783.72
  6. Step 6: Final answer
    x = 66,497,282.90

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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.