Home / 253,734,638.30-350,136,179.76-140,709,960.47

Finding the Fourth Proportional to 253,734,638.30, 350,136,179.76 and 140,709,960.47

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Solution

The fourth proportional to 253,734,638.30, 350,136,179.76 and 140,709,960.47 is: 194,169,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,734,638.30 : 350,136,179.76 = 140,709,960.47 : x
  2. Step 2: Convert to fraction form
    253,734,638.30/350,136,179.76 = 140,709,960.47/x
  3. Step 3: Cross multiply
    253,734,638.30x = 350,136,179.76 × 140,709,960.47
  4. Step 4: Simplify right side
    253,734,638.30x = 49,267,648,011,395,736
  5. Step 5: Solve for x
    x = 49,267,648,011,395,736/253,734,638.30
  6. Step 6: Final answer
    x = 194,169,973.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.