Home / 192,456,328.10-288,684,492.15-90,230,699.30

Finding the Fourth Proportional to 192,456,328.10, 288,684,492.15 and 90,230,699.30

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Solution

The fourth proportional to 192,456,328.10, 288,684,492.15 and 90,230,699.30 is: 135,346,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,328.10 : 288,684,492.15 = 90,230,699.30 : x
  2. Step 2: Convert to fraction form
    192,456,328.10/288,684,492.15 = 90,230,699.30/x
  3. Step 3: Cross multiply
    192,456,328.10x = 288,684,492.15 × 90,230,699.30
  4. Step 4: Simplify right side
    192,456,328.10x = 26,048,203,603,759,856
  5. Step 5: Solve for x
    x = 26,048,203,603,759,856/192,456,328.10
  6. Step 6: Final answer
    x = 135,346,048.95

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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.