Home / 103,755,242.82-143,182,113.74-56,712,625.23

Finding the Fourth Proportional to 103,755,242.82, 143,182,113.74 and 56,712,625.23

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Solution

The fourth proportional to 103,755,242.82, 143,182,113.74 and 56,712,625.23 is: 78,263,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,755,242.82 : 143,182,113.74 = 56,712,625.23 : x
  2. Step 2: Convert to fraction form
    103,755,242.82/143,182,113.74 = 56,712,625.23/x
  3. Step 3: Cross multiply
    103,755,242.82x = 143,182,113.74 × 56,712,625.23
  4. Step 4: Simplify right side
    103,755,242.82x = 8,120,233,555,892,291
  5. Step 5: Solve for x
    x = 8,120,233,555,892,291/103,755,242.82
  6. Step 6: Final answer
    x = 78,263,356.48

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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.