Home / 90,127,612.36-124,376,137.86-48,874,493.80

Finding the Fourth Proportional to 90,127,612.36, 124,376,137.86 and 48,874,493.80

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Solution

The fourth proportional to 90,127,612.36, 124,376,137.86 and 48,874,493.80 is: 67,446,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127,612.36 : 124,376,137.86 = 48,874,493.80 : x
  2. Step 2: Convert to fraction form
    90,127,612.36/124,376,137.86 = 48,874,493.80/x
  3. Step 3: Cross multiply
    90,127,612.36x = 124,376,137.86 × 48,874,493.80
  4. Step 4: Simplify right side
    90,127,612.36x = 6,078,820,778,706,515
  5. Step 5: Solve for x
    x = 6,078,820,778,706,515/90,127,612.36
  6. Step 6: Final answer
    x = 67,446,819.23

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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.