Home / 273,170,897.28-409,697,637.22-86,439,637.69

Finding the Fourth Proportional to 273,170,897.28, 409,697,637.22 and 86,439,637.69

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Solution

The fourth proportional to 273,170,897.28, 409,697,637.22 and 86,439,637.69 is: 129,640,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,170,897.28 : 409,697,637.22 = 86,439,637.69 : x
  2. Step 2: Convert to fraction form
    273,170,897.28/409,697,637.22 = 86,439,637.69/x
  3. Step 3: Cross multiply
    273,170,897.28x = 409,697,637.22 × 86,439,637.69
  4. Step 4: Simplify right side
    273,170,897.28x = 35,414,115,322,829,664
  5. Step 5: Solve for x
    x = 35,414,115,322,829,664/273,170,897.28
  6. Step 6: Final answer
    x = 129,640,879.30

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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.