Home / 77,740,749-116,521,443-29,187,635.76

Finding the Fourth Proportional to 77,740,749, 116,521,443 and 29,187,635.76

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Solution

The fourth proportional to 77,740,749, 116,521,443 and 29,187,635.76 is: 43,747,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,740,749 : 116,521,443 = 29,187,635.76 : x
  2. Step 2: Convert to fraction form
    77,740,749/116,521,443 = 29,187,635.76/x
  3. Step 3: Cross multiply
    77,740,749x = 116,521,443 × 29,187,635.76
  4. Step 4: Simplify right side
    77,740,749x = 3,400,985,436,513,602
  5. Step 5: Solve for x
    x = 3,400,985,436,513,602/77,740,749
  6. Step 6: Final answer
    x = 43,747,783.24

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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.