Home / 210,978,000.41-291,149,640.56-118,158,508.25

Finding the Fourth Proportional to 210,978,000.41, 291,149,640.56 and 118,158,508.25

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Solution

The fourth proportional to 210,978,000.41, 291,149,640.56 and 118,158,508.25 is: 163,058,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,978,000.41 : 291,149,640.56 = 118,158,508.25 : x
  2. Step 2: Convert to fraction form
    210,978,000.41/291,149,640.56 = 118,158,508.25/x
  3. Step 3: Cross multiply
    210,978,000.41x = 291,149,640.56 × 118,158,508.25
  4. Step 4: Simplify right side
    210,978,000.41x = 34,401,807,204,046,756
  5. Step 5: Solve for x
    x = 34,401,807,204,046,756/210,978,000.41
  6. Step 6: Final answer
    x = 163,058,741.38

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1.5x scale

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.