Home / 65,746,612.80-90,732,997.44-36,377,467.20

Finding the Fourth Proportional to 65,746,612.80, 90,732,997.44 and 36,377,467.20

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Solution

The fourth proportional to 65,746,612.80, 90,732,997.44 and 36,377,467.20 is: 50,202,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,746,612.80 : 90,732,997.44 = 36,377,467.20 : x
  2. Step 2: Convert to fraction form
    65,746,612.80/90,732,997.44 = 36,377,467.20/x
  3. Step 3: Cross multiply
    65,746,612.80x = 90,732,997.44 × 36,377,467.20
  4. Step 4: Simplify right side
    65,746,612.80x = 3,300,636,638,331,284
  5. Step 5: Solve for x
    x = 3,300,636,638,331,284/65,746,612.80
  6. Step 6: Final answer
    x = 50,202,383.02

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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.