Home / 290,861,818.56-401,408,978.40-167,151,810.24

Finding the Fourth Proportional to 290,861,818.56, 401,408,978.40 and 167,151,810.24

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Solution

The fourth proportional to 290,861,818.56, 401,408,978.40 and 167,151,810.24 is: 230,680,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,861,818.56 : 401,408,978.40 = 167,151,810.24 : x
  2. Step 2: Convert to fraction form
    290,861,818.56/401,408,978.40 = 167,151,810.24/x
  3. Step 3: Cross multiply
    290,861,818.56x = 401,408,978.40 × 167,151,810.24
  4. Step 4: Simplify right side
    290,861,818.56x = 67,096,237,386,149,056
  5. Step 5: Solve for x
    x = 67,096,237,386,149,056/290,861,818.56
  6. Step 6: Final answer
    x = 230,680,801.35

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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.