Home / 303,281,988,071.53-418,542,299,692.77-167,951,168,507.72

Finding the Fourth Proportional to 303,281,988,071.53, 418,542,299,692.77 and 167,951,168,507.72

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Solution

The fourth proportional to 303,281,988,071.53, 418,542,299,692.77 and 167,951,168,507.72 is: 231,779,898,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,988,071.53 : 418,542,299,692.77 = 167,951,168,507.72 : x
  2. Step 2: Convert to fraction form
    303,281,988,071.53/418,542,299,692.77 = 167,951,168,507.72/x
  3. Step 3: Cross multiply
    303,281,988,071.53x = 418,542,299,692.77 × 167,951,168,507.72
  4. Step 4: Simplify right side
    303,281,988,071.53x = 70,294,668,303,309,062,799,360
  5. Step 5: Solve for x
    x = 70,294,668,303,309,062,799,360/303,281,988,071.53
  6. Step 6: Final answer
    x = 231,779,898,141.30

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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.