Home / 147,216,520.80-220,399,628.40-89,820,892.80

Finding the Fourth Proportional to 147,216,520.80, 220,399,628.40 and 89,820,892.80

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Solution

The fourth proportional to 147,216,520.80, 220,399,628.40 and 89,820,892.80 is: 134,471,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216,520.80 : 220,399,628.40 = 89,820,892.80 : x
  2. Step 2: Convert to fraction form
    147,216,520.80/220,399,628.40 = 89,820,892.80/x
  3. Step 3: Cross multiply
    147,216,520.80x = 220,399,628.40 × 89,820,892.80
  4. Step 4: Simplify right side
    147,216,520.80x = 19,796,491,395,676,236
  5. Step 5: Solve for x
    x = 19,796,491,395,676,236/147,216,520.80
  6. Step 6: Final answer
    x = 134,471,941.66

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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.