Home / 161,502,003.40-242,253,005.10-118,136,417.80

Finding the Fourth Proportional to 161,502,003.40, 242,253,005.10 and 118,136,417.80

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Solution

The fourth proportional to 161,502,003.40, 242,253,005.10 and 118,136,417.80 is: 177,204,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,502,003.40 : 242,253,005.10 = 118,136,417.80 : x
  2. Step 2: Convert to fraction form
    161,502,003.40/242,253,005.10 = 118,136,417.80/x
  3. Step 3: Cross multiply
    161,502,003.40x = 242,253,005.10 × 118,136,417.80
  4. Step 4: Simplify right side
    161,502,003.40x = 28,618,902,223,799,128
  5. Step 5: Solve for x
    x = 28,618,902,223,799,128/161,502,003.40
  6. Step 6: Final answer
    x = 177,204,626.70

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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.