Home / 220,470,778.77-330,707,034.75-89,315,531.73

Finding the Fourth Proportional to 220,470,778.77, 330,707,034.75 and 89,315,531.73

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Solution

The fourth proportional to 220,470,778.77, 330,707,034.75 and 89,315,531.73 is: 133,973,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,470,778.77 : 330,707,034.75 = 89,315,531.73 : x
  2. Step 2: Convert to fraction form
    220,470,778.77/330,707,034.75 = 89,315,531.73/x
  3. Step 3: Cross multiply
    220,470,778.77x = 330,707,034.75 × 89,315,531.73
  4. Step 4: Simplify right side
    220,470,778.77x = 29,537,274,655,547,840
  5. Step 5: Solve for x
    x = 29,537,274,655,547,840/220,470,778.77
  6. Step 6: Final answer
    x = 133,973,648.66

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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.