Home / 225,163,467.09-310,565,401.02-206,638,428.78

Finding the Fourth Proportional to 225,163,467.09, 310,565,401.02 and 206,638,428.78

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Solution

The fourth proportional to 225,163,467.09, 310,565,401.02 and 206,638,428.78 is: 285,014,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,163,467.09 : 310,565,401.02 = 206,638,428.78 : x
  2. Step 2: Convert to fraction form
    225,163,467.09/310,565,401.02 = 206,638,428.78/x
  3. Step 3: Cross multiply
    225,163,467.09x = 310,565,401.02 × 206,638,428.78
  4. Step 4: Simplify right side
    225,163,467.09x = 64,174,746,500,203,408
  5. Step 5: Solve for x
    x = 64,174,746,500,203,408/225,163,467.09
  6. Step 6: Final answer
    x = 285,014,027.05

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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.