Home / 161,813,999.20-242,720,998.80-64,816,175.20

Finding the Fourth Proportional to 161,813,999.20, 242,720,998.80 and 64,816,175.20

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Solution

The fourth proportional to 161,813,999.20, 242,720,998.80 and 64,816,175.20 is: 97,224,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,813,999.20 : 242,720,998.80 = 64,816,175.20 : x
  2. Step 2: Convert to fraction form
    161,813,999.20/242,720,998.80 = 64,816,175.20/x
  3. Step 3: Cross multiply
    161,813,999.20x = 242,720,998.80 × 64,816,175.20
  4. Step 4: Simplify right side
    161,813,999.20x = 15,732,246,782,939,792
  5. Step 5: Solve for x
    x = 15,732,246,782,939,792/161,813,999.20
  6. Step 6: Final answer
    x = 97,224,262.80

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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.