Home / 161,929,153.11-242,893,720.44-45,361,767.43

Finding the Fourth Proportional to 161,929,153.11, 242,893,720.44 and 45,361,767.43

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Solution

The fourth proportional to 161,929,153.11, 242,893,720.44 and 45,361,767.43 is: 68,042,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,929,153.11 : 242,893,720.44 = 45,361,767.43 : x
  2. Step 2: Convert to fraction form
    161,929,153.11/242,893,720.44 = 45,361,767.43/x
  3. Step 3: Cross multiply
    161,929,153.11x = 242,893,720.44 × 45,361,767.43
  4. Step 4: Simplify right side
    161,929,153.11x = 11,018,088,456,806,718
  5. Step 5: Solve for x
    x = 11,018,088,456,806,718/161,929,153.11
  6. Step 6: Final answer
    x = 68,042,648.56

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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.