Home / 161,758,752.70-242,638,129.05-92,883,999.10

Finding the Fourth Proportional to 161,758,752.70, 242,638,129.05 and 92,883,999.10

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Solution

The fourth proportional to 161,758,752.70, 242,638,129.05 and 92,883,999.10 is: 139,325,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,752.70 : 242,638,129.05 = 92,883,999.10 : x
  2. Step 2: Convert to fraction form
    161,758,752.70/242,638,129.05 = 92,883,999.10/x
  3. Step 3: Cross multiply
    161,758,752.70x = 242,638,129.05 × 92,883,999.10
  4. Step 4: Simplify right side
    161,758,752.70x = 22,537,199,760,305,884
  5. Step 5: Solve for x
    x = 22,537,199,760,305,884/161,758,752.70
  6. Step 6: Final answer
    x = 139,325,998.65

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1.5x scale

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.