Home / 31,163,320.80-46,744,981.20-19,684,195.20

Finding the Fourth Proportional to 31,163,320.80, 46,744,981.20 and 19,684,195.20

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Solution

The fourth proportional to 31,163,320.80, 46,744,981.20 and 19,684,195.20 is: 29,526,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163,320.80 : 46,744,981.20 = 19,684,195.20 : x
  2. Step 2: Convert to fraction form
    31,163,320.80/46,744,981.20 = 19,684,195.20/x
  3. Step 3: Cross multiply
    31,163,320.80x = 46,744,981.20 × 19,684,195.20
  4. Step 4: Simplify right side
    31,163,320.80x = 920,137,334,561,130.25
  5. Step 5: Solve for x
    x = 920,137,334,561,130.25/31,163,320.80
  6. Step 6: Final answer
    x = 29,526,292.80

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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.