Home / 295,488,640.10-443,232,960.15-90,990,143.30

Finding the Fourth Proportional to 295,488,640.10, 443,232,960.15 and 90,990,143.30

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Solution

The fourth proportional to 295,488,640.10, 443,232,960.15 and 90,990,143.30 is: 136,485,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,640.10 : 443,232,960.15 = 90,990,143.30 : x
  2. Step 2: Convert to fraction form
    295,488,640.10/443,232,960.15 = 90,990,143.30/x
  3. Step 3: Cross multiply
    295,488,640.10x = 443,232,960.15 × 90,990,143.30
  4. Step 4: Simplify right side
    295,488,640.10x = 40,329,830,559,331,688
  5. Step 5: Solve for x
    x = 40,329,830,559,331,688/295,488,640.10
  6. Step 6: Final answer
    x = 136,485,214.95

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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.