Home / 253,042,039.17-379,579,712.79-66,300,554.67

Finding the Fourth Proportional to 253,042,039.17, 379,579,712.79 and 66,300,554.67

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Solution

The fourth proportional to 253,042,039.17, 379,579,712.79 and 66,300,554.67 is: 99,455,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,042,039.17 : 379,579,712.79 = 66,300,554.67 : x
  2. Step 2: Convert to fraction form
    253,042,039.17/379,579,712.79 = 66,300,554.67/x
  3. Step 3: Cross multiply
    253,042,039.17x = 379,579,712.79 × 66,300,554.67
  4. Step 4: Simplify right side
    253,042,039.17x = 25,166,345,499,456,296
  5. Step 5: Solve for x
    x = 25,166,345,499,456,296/253,042,039.17
  6. Step 6: Final answer
    x = 99,455,195.60

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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.