Home / 309,603,334.60-463,957,104.30-136,938,809.80

Finding the Fourth Proportional to 309,603,334.60, 463,957,104.30 and 136,938,809.80

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Solution

The fourth proportional to 309,603,334.60, 463,957,104.30 and 136,938,809.80 is: 205,210,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,603,334.60 : 463,957,104.30 = 136,938,809.80 : x
  2. Step 2: Convert to fraction form
    309,603,334.60/463,957,104.30 = 136,938,809.80/x
  3. Step 3: Cross multiply
    309,603,334.60x = 463,957,104.30 × 136,938,809.80
  4. Step 4: Simplify right side
    309,603,334.60x = 63,533,733,661,096,472
  5. Step 5: Solve for x
    x = 63,533,733,661,096,472/309,603,334.60
  6. Step 6: Final answer
    x = 205,210,107.78

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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.