Home / 53,776,411.40-80,696,109.90-19,701,201.80

Finding the Fourth Proportional to 53,776,411.40, 80,696,109.90 and 19,701,201.80

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Solution

The fourth proportional to 53,776,411.40, 80,696,109.90 and 19,701,201.80 is: 29,563,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,776,411.40 : 80,696,109.90 = 19,701,201.80 : x
  2. Step 2: Convert to fraction form
    53,776,411.40/80,696,109.90 = 19,701,201.80/x
  3. Step 3: Cross multiply
    53,776,411.40x = 80,696,109.90 × 19,701,201.80
  4. Step 4: Simplify right side
    53,776,411.40x = 1,589,810,345,614,878
  5. Step 5: Solve for x
    x = 1,589,810,345,614,878/53,776,411.40
  6. Step 6: Final answer
    x = 29,563,340.21

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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.