Home / 161,758,563.80-242,637,845.70-133,037,130.20

Finding the Fourth Proportional to 161,758,563.80, 242,637,845.70 and 133,037,130.20

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Solution

The fourth proportional to 161,758,563.80, 242,637,845.70 and 133,037,130.20 is: 199,555,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,563.80 : 242,637,845.70 = 133,037,130.20 : x
  2. Step 2: Convert to fraction form
    161,758,563.80/242,637,845.70 = 133,037,130.20/x
  3. Step 3: Cross multiply
    161,758,563.80x = 242,637,845.70 × 133,037,130.20
  4. Step 4: Simplify right side
    161,758,563.80x = 32,279,842,669,838,408
  5. Step 5: Solve for x
    x = 32,279,842,669,838,408/161,758,563.80
  6. Step 6: Final answer
    x = 199,555,695.30

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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.