Home / 220,470,778.02-330,707,033.63-89,315,530.98

Finding the Fourth Proportional to 220,470,778.02, 330,707,033.63 and 89,315,530.98

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Solution

The fourth proportional to 220,470,778.02, 330,707,033.63 and 89,315,530.98 is: 133,973,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,470,778.02 : 330,707,033.63 = 89,315,530.98 : x
  2. Step 2: Convert to fraction form
    220,470,778.02/330,707,033.63 = 89,315,530.98/x
  3. Step 3: Cross multiply
    220,470,778.02x = 330,707,033.63 × 89,315,530.98
  4. Step 4: Simplify right side
    220,470,778.02x = 29,537,274,307,037,592
  5. Step 5: Solve for x
    x = 29,537,274,307,037,592/220,470,778.02
  6. Step 6: Final answer
    x = 133,973,647.54

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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.