Home / 253,042,048.13-379,579,726.23-66,300,563.63

Finding the Fourth Proportional to 253,042,048.13, 379,579,726.23 and 66,300,563.63

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Solution

The fourth proportional to 253,042,048.13, 379,579,726.23 and 66,300,563.63 is: 99,455,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,042,048.13 : 379,579,726.23 = 66,300,563.63 : x
  2. Step 2: Convert to fraction form
    253,042,048.13/379,579,726.23 = 66,300,563.63/x
  3. Step 3: Cross multiply
    253,042,048.13x = 379,579,726.23 × 66,300,563.63
  4. Step 4: Simplify right side
    253,042,048.13x = 25,166,349,790,695,520
  5. Step 5: Solve for x
    x = 25,166,349,790,695,520/253,042,048.13
  6. Step 6: Final answer
    x = 99,455,209.03

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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.