Home / 114,971,637.60-172,457,456.40-108,169,192.80

Finding the Fourth Proportional to 114,971,637.60, 172,457,456.40 and 108,169,192.80

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Solution

The fourth proportional to 114,971,637.60, 172,457,456.40 and 108,169,192.80 is: 162,253,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,971,637.60 : 172,457,456.40 = 108,169,192.80 : x
  2. Step 2: Convert to fraction form
    114,971,637.60/172,457,456.40 = 108,169,192.80/x
  3. Step 3: Cross multiply
    114,971,637.60x = 172,457,456.40 × 108,169,192.80
  4. Step 4: Simplify right side
    114,971,637.60x = 18,654,583,851,129,196
  5. Step 5: Solve for x
    x = 18,654,583,851,129,196/114,971,637.60
  6. Step 6: Final answer
    x = 162,253,789.20

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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.