Home / 90,076,843.51-124,306,227.21-48,823,763.83

Finding the Fourth Proportional to 90,076,843.51, 124,306,227.21 and 48,823,763.83

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Solution

The fourth proportional to 90,076,843.51, 124,306,227.21 and 48,823,763.83 is: 67,376,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,076,843.51 : 124,306,227.21 = 48,823,763.83 : x
  2. Step 2: Convert to fraction form
    90,076,843.51/124,306,227.21 = 48,823,763.83/x
  3. Step 3: Cross multiply
    90,076,843.51x = 124,306,227.21 × 48,823,763.83
  4. Step 4: Simplify right side
    90,076,843.51x = 6,069,097,879,866,037
  5. Step 5: Solve for x
    x = 6,069,097,879,866,037/90,076,843.51
  6. Step 6: Final answer
    x = 67,376,893.37

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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.