Home / 87,047,641.54-120,125,744.57-47,888,577.91

Finding the Fourth Proportional to 87,047,641.54, 120,125,744.57 and 47,888,577.91

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Solution

The fourth proportional to 87,047,641.54, 120,125,744.57 and 47,888,577.91 is: 66,086,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,047,641.54 : 120,125,744.57 = 47,888,577.91 : x
  2. Step 2: Convert to fraction form
    87,047,641.54/120,125,744.57 = 47,888,577.91/x
  3. Step 3: Cross multiply
    87,047,641.54x = 120,125,744.57 × 47,888,577.91
  4. Step 4: Simplify right side
    87,047,641.54x = 5,752,651,076,997,133
  5. Step 5: Solve for x
    x = 5,752,651,076,997,133/87,047,641.54
  6. Step 6: Final answer
    x = 66,086,237.09

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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.