Home / 320,084,401.02-480,126,607.29-77,745,672.06

Finding the Fourth Proportional to 320,084,401.02, 480,126,607.29 and 77,745,672.06

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Solution

The fourth proportional to 320,084,401.02, 480,126,607.29 and 77,745,672.06 is: 116,618,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,084,401.02 : 480,126,607.29 = 77,745,672.06 : x
  2. Step 2: Convert to fraction form
    320,084,401.02/480,126,607.29 = 77,745,672.06/x
  3. Step 3: Cross multiply
    320,084,401.02x = 480,126,607.29 × 77,745,672.06
  4. Step 4: Simplify right side
    320,084,401.02x = 37,327,765,757,648,752
  5. Step 5: Solve for x
    x = 37,327,765,757,648,752/320,084,401.02
  6. Step 6: Final answer
    x = 116,618,509.49

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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.