Home / 268,776,043.70-403,238,715.15-115,495,531.70

Finding the Fourth Proportional to 268,776,043.70, 403,238,715.15 and 115,495,531.70

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Solution

The fourth proportional to 268,776,043.70, 403,238,715.15 and 115,495,531.70 is: 173,275,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,776,043.70 : 403,238,715.15 = 115,495,531.70 : x
  2. Step 2: Convert to fraction form
    268,776,043.70/403,238,715.15 = 115,495,531.70/x
  3. Step 3: Cross multiply
    268,776,043.70x = 403,238,715.15 × 115,495,531.70
  4. Step 4: Simplify right side
    268,776,043.70x = 46,572,269,808,274,096
  5. Step 5: Solve for x
    x = 46,572,269,808,274,096/268,776,043.70
  6. Step 6: Final answer
    x = 173,275,375.17

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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.