Home / 112,013,997.60-168,020,996.40-100,109,719.20

Finding the Fourth Proportional to 112,013,997.60, 168,020,996.40 and 100,109,719.20

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Solution

The fourth proportional to 112,013,997.60, 168,020,996.40 and 100,109,719.20 is: 150,164,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013,997.60 : 168,020,996.40 = 100,109,719.20 : x
  2. Step 2: Convert to fraction form
    112,013,997.60/168,020,996.40 = 100,109,719.20/x
  3. Step 3: Cross multiply
    112,013,997.60x = 168,020,996.40 × 100,109,719.20
  4. Step 4: Simplify right side
    112,013,997.60x = 16,820,534,769,308,212
  5. Step 5: Solve for x
    x = 16,820,534,769,308,212/112,013,997.60
  6. Step 6: Final answer
    x = 150,164,578.80

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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.