Home / 220,209,126.72-303,889,776.48-121,096,265.28

Finding the Fourth Proportional to 220,209,126.72, 303,889,776.48 and 121,096,265.28

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Solution

The fourth proportional to 220,209,126.72, 303,889,776.48 and 121,096,265.28 is: 167,113,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,209,126.72 : 303,889,776.48 = 121,096,265.28 : x
  2. Step 2: Convert to fraction form
    220,209,126.72/303,889,776.48 = 121,096,265.28/x
  3. Step 3: Cross multiply
    220,209,126.72x = 303,889,776.48 × 121,096,265.28
  4. Step 4: Simplify right side
    220,209,126.72x = 36,799,916,988,501,984
  5. Step 5: Solve for x
    x = 36,799,916,988,501,984/220,209,126.72
  6. Step 6: Final answer
    x = 167,113,495.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.