Home / 189,302,279.85-283,984,801.34-66,448,720.17

Finding the Fourth Proportional to 189,302,279.85, 283,984,801.34 and 66,448,720.17

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Solution

The fourth proportional to 189,302,279.85, 283,984,801.34 and 66,448,720.17 is: 99,684,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,302,279.85 : 283,984,801.34 = 66,448,720.17 : x
  2. Step 2: Convert to fraction form
    189,302,279.85/283,984,801.34 = 66,448,720.17/x
  3. Step 3: Cross multiply
    189,302,279.85x = 283,984,801.34 × 66,448,720.17
  4. Step 4: Simplify right side
    189,302,279.85x = 18,870,426,596,442,456
  5. Step 5: Solve for x
    x = 18,870,426,596,442,456/189,302,279.85
  6. Step 6: Final answer
    x = 99,684,095.78

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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.