Home / 31,083,245.20-46,575,101.40-19,703,328.40

Finding the Fourth Proportional to 31,083,245.20, 46,575,101.40 and 19,703,328.40

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Solution

The fourth proportional to 31,083,245.20, 46,575,101.40 and 19,703,328.40 is: 29,523,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083,245.20 : 46,575,101.40 = 19,703,328.40 : x
  2. Step 2: Convert to fraction form
    31,083,245.20/46,575,101.40 = 19,703,328.40/x
  3. Step 3: Cross multiply
    31,083,245.20x = 46,575,101.40 × 19,703,328.40
  4. Step 4: Simplify right side
    31,083,245.20x = 917,684,518,147,499.62
  5. Step 5: Solve for x
    x = 917,684,518,147,499.62/31,083,245.20
  6. Step 6: Final answer
    x = 29,523,446.22

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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.