Home / 253,042,037.66-379,579,710.54-66,300,553.16

Finding the Fourth Proportional to 253,042,037.66, 379,579,710.54 and 66,300,553.16

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Solution

The fourth proportional to 253,042,037.66, 379,579,710.54 and 66,300,553.16 is: 99,455,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,042,037.66 : 379,579,710.54 = 66,300,553.16 : x
  2. Step 2: Convert to fraction form
    253,042,037.66/379,579,710.54 = 66,300,553.16/x
  3. Step 3: Cross multiply
    253,042,037.66x = 379,579,710.54 × 66,300,553.16
  4. Step 4: Simplify right side
    253,042,037.66x = 25,166,344,778,456,724
  5. Step 5: Solve for x
    x = 25,166,344,778,456,724/253,042,037.66
  6. Step 6: Final answer
    x = 99,455,193.34

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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.