Home / 140,310,880.24-210,467,981.11-84,990,778.57

Finding the Fourth Proportional to 140,310,880.24, 210,467,981.11 and 84,990,778.57

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Solution

The fourth proportional to 140,310,880.24, 210,467,981.11 and 84,990,778.57 is: 127,487,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,310,880.24 : 210,467,981.11 = 84,990,778.57 : x
  2. Step 2: Convert to fraction form
    140,310,880.24/210,467,981.11 = 84,990,778.57/x
  3. Step 3: Cross multiply
    140,310,880.24x = 210,467,981.11 × 84,990,778.57
  4. Step 4: Simplify right side
    140,310,880.24x = 17,887,837,578,594,952
  5. Step 5: Solve for x
    x = 17,887,837,578,594,952/140,310,880.24
  6. Step 6: Final answer
    x = 127,487,173.82

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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.