Home / 55,118,744.39-76,063,263.64-30,338,401.43

Finding the Fourth Proportional to 55,118,744.39, 76,063,263.64 and 30,338,401.43

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Solution

The fourth proportional to 55,118,744.39, 76,063,263.64 and 30,338,401.43 is: 41,866,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118,744.39 : 76,063,263.64 = 30,338,401.43 : x
  2. Step 2: Convert to fraction form
    55,118,744.39/76,063,263.64 = 30,338,401.43/x
  3. Step 3: Cross multiply
    55,118,744.39x = 76,063,263.64 × 30,338,401.43
  4. Step 4: Simplify right side
    55,118,744.39x = 2,307,637,826,371,762.50
  5. Step 5: Solve for x
    x = 2,307,637,826,371,762.50/55,118,744.39
  6. Step 6: Final answer
    x = 41,866,661.73

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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.