Home / 210,219,573.66-290,060,937.27-117,385,797.66

Finding the Fourth Proportional to 210,219,573.66, 290,060,937.27 and 117,385,797.66

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Solution

The fourth proportional to 210,219,573.66, 290,060,937.27 and 117,385,797.66 is: 161,968,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,219,573.66 : 290,060,937.27 = 117,385,797.66 : x
  2. Step 2: Convert to fraction form
    210,219,573.66/290,060,937.27 = 117,385,797.66/x
  3. Step 3: Cross multiply
    210,219,573.66x = 290,060,937.27 × 117,385,797.66
  4. Step 4: Simplify right side
    210,219,573.66x = 34,049,034,491,446,168
  5. Step 5: Solve for x
    x = 34,049,034,491,446,168/210,219,573.66
  6. Step 6: Final answer
    x = 161,968,906.60

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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.