Home / 400,147,057.04-600,209,388.12-127,534,182.80

Finding the Fourth Proportional to 400,147,057.04, 600,209,388.12 and 127,534,182.80

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Solution

The fourth proportional to 400,147,057.04, 600,209,388.12 and 127,534,182.80 is: 191,297,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,147,057.04 : 600,209,388.12 = 127,534,182.80 : x
  2. Step 2: Convert to fraction form
    400,147,057.04/600,209,388.12 = 127,534,182.80/x
  3. Step 3: Cross multiply
    400,147,057.04x = 600,209,388.12 × 127,534,182.80
  4. Step 4: Simplify right side
    400,147,057.04x = 76,547,213,822,772,224
  5. Step 5: Solve for x
    x = 76,547,213,822,772,224/400,147,057.04
  6. Step 6: Final answer
    x = 191,297,705.37

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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.