Home / 52,186,208.13-72,014,994.11-28,982,829.77

Finding the Fourth Proportional to 52,186,208.13, 72,014,994.11 and 28,982,829.77

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Solution

The fourth proportional to 52,186,208.13, 72,014,994.11 and 28,982,829.77 is: 39,995,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186,208.13 : 72,014,994.11 = 28,982,829.77 : x
  2. Step 2: Convert to fraction form
    52,186,208.13/72,014,994.11 = 28,982,829.77/x
  3. Step 3: Cross multiply
    52,186,208.13x = 72,014,994.11 × 28,982,829.77
  4. Step 4: Simplify right side
    52,186,208.13x = 2,087,198,315,177,682.50
  5. Step 5: Solve for x
    x = 2,087,198,315,177,682.50/52,186,208.13
  6. Step 6: Final answer
    x = 39,995,209.27

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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.