Home / 219,936,497.40-329,820,765.30-66,531,569.40

Finding the Fourth Proportional to 219,936,497.40, 329,820,765.30 and 66,531,569.40

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Solution

The fourth proportional to 219,936,497.40, 329,820,765.30 and 66,531,569.40 is: 99,771,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,936,497.40 : 329,820,765.30 = 66,531,569.40 : x
  2. Step 2: Convert to fraction form
    219,936,497.40/329,820,765.30 = 66,531,569.40/x
  3. Step 3: Cross multiply
    219,936,497.40x = 329,820,765.30 × 66,531,569.40
  4. Step 4: Simplify right side
    219,936,497.40x = 21,943,493,136,118,064
  5. Step 5: Solve for x
    x = 21,943,493,136,118,064/219,936,497.40
  6. Step 6: Final answer
    x = 99,771,949.61

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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.