Home / 76,726,723.20-114,989,307.12-36,348,754.56

Finding the Fourth Proportional to 76,726,723.20, 114,989,307.12 and 36,348,754.56

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Solution

The fourth proportional to 76,726,723.20, 114,989,307.12 and 36,348,754.56 is: 54,475,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,726,723.20 : 114,989,307.12 = 36,348,754.56 : x
  2. Step 2: Convert to fraction form
    76,726,723.20/114,989,307.12 = 36,348,754.56/x
  3. Step 3: Cross multiply
    76,726,723.20x = 114,989,307.12 × 36,348,754.56
  4. Step 4: Simplify right side
    76,726,723.20x = 4,179,718,101,529,341
  5. Step 5: Solve for x
    x = 4,179,718,101,529,341/76,726,723.20
  6. Step 6: Final answer
    x = 54,475,389.11

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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.