Home / 180,278,955.17-270,418,012.27-118,420,733.01

Finding the Fourth Proportional to 180,278,955.17, 270,418,012.27 and 118,420,733.01

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Solution

The fourth proportional to 180,278,955.17, 270,418,012.27 and 118,420,733.01 is: 177,630,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,278,955.17 : 270,418,012.27 = 118,420,733.01 : x
  2. Step 2: Convert to fraction form
    180,278,955.17/270,418,012.27 = 118,420,733.01/x
  3. Step 3: Cross multiply
    180,278,955.17x = 270,418,012.27 × 118,420,733.01
  4. Step 4: Simplify right side
    180,278,955.17x = 32,023,099,231,824,520
  5. Step 5: Solve for x
    x = 32,023,099,231,824,520/180,278,955.17
  6. Step 6: Final answer
    x = 177,630,823.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.