Home / 219,597,715.71-329,398,935.88-66,245,101.47

Finding the Fourth Proportional to 219,597,715.71, 329,398,935.88 and 66,245,101.47

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Solution

The fourth proportional to 219,597,715.71, 329,398,935.88 and 66,245,101.47 is: 99,368,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,597,715.71 : 329,398,935.88 = 66,245,101.47 : x
  2. Step 2: Convert to fraction form
    219,597,715.71/329,398,935.88 = 66,245,101.47/x
  3. Step 3: Cross multiply
    219,597,715.71x = 329,398,935.88 × 66,245,101.47
  4. Step 4: Simplify right side
    219,597,715.71x = 21,821,065,931,480,624
  5. Step 5: Solve for x
    x = 21,821,065,931,480,624/219,597,715.71
  6. Step 6: Final answer
    x = 99,368,364.83

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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.