Home / 314,814,010.30-472,221,015.45-161,759,002.30

Finding the Fourth Proportional to 314,814,010.30, 472,221,015.45 and 161,759,002.30

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Solution

The fourth proportional to 314,814,010.30, 472,221,015.45 and 161,759,002.30 is: 242,638,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,814,010.30 : 472,221,015.45 = 161,759,002.30 : x
  2. Step 2: Convert to fraction form
    314,814,010.30/472,221,015.45 = 161,759,002.30/x
  3. Step 3: Cross multiply
    314,814,010.30x = 472,221,015.45 × 161,759,002.30
  4. Step 4: Simplify right side
    314,814,010.30x = 76,386,000,324,284,896
  5. Step 5: Solve for x
    x = 76,386,000,324,284,896/314,814,010.30
  6. Step 6: Final answer
    x = 242,638,503.45

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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.