Home / 200,813,819.80-301,262,720.10-64,512,981.40

Finding the Fourth Proportional to 200,813,819.80, 301,262,720.10 and 64,512,981.40

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Solution

The fourth proportional to 200,813,819.80, 301,262,720.10 and 64,512,981.40 is: 96,782,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,813,819.80 : 301,262,720.10 = 64,512,981.40 : x
  2. Step 2: Convert to fraction form
    200,813,819.80/301,262,720.10 = 64,512,981.40/x
  3. Step 3: Cross multiply
    200,813,819.80x = 301,262,720.10 × 64,512,981.40
  4. Step 4: Simplify right side
    200,813,819.80x = 19,435,356,258,324,708
  5. Step 5: Solve for x
    x = 19,435,356,258,324,708/200,813,819.80
  6. Step 6: Final answer
    x = 96,782,961.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.