Home / 161,502,486.40-242,253,729.60-118,136,900.80

Finding the Fourth Proportional to 161,502,486.40, 242,253,729.60 and 118,136,900.80

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Solution

The fourth proportional to 161,502,486.40, 242,253,729.60 and 118,136,900.80 is: 177,205,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,502,486.40 : 242,253,729.60 = 118,136,900.80 : x
  2. Step 2: Convert to fraction form
    161,502,486.40/242,253,729.60 = 118,136,900.80/x
  3. Step 3: Cross multiply
    161,502,486.40x = 242,253,729.60 × 118,136,900.80
  4. Step 4: Simplify right side
    161,502,486.40x = 28,619,104,822,185,224
  5. Step 5: Solve for x
    x = 28,619,104,822,185,224/161,502,486.40
  6. Step 6: Final answer
    x = 177,205,351.20

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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.