Home / 53,776,405.90-80,696,101.65-19,701,196.30

Finding the Fourth Proportional to 53,776,405.90, 80,696,101.65 and 19,701,196.30

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Solution

The fourth proportional to 53,776,405.90, 80,696,101.65 and 19,701,196.30 is: 29,563,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,776,405.90 : 80,696,101.65 = 19,701,196.30 : x
  2. Step 2: Convert to fraction form
    53,776,405.90/80,696,101.65 = 19,701,196.30/x
  3. Step 3: Cross multiply
    53,776,405.90x = 80,696,101.65 × 19,701,196.30
  4. Step 4: Simplify right side
    53,776,405.90x = 1,589,809,739,251,404
  5. Step 5: Solve for x
    x = 1,589,809,739,251,404/53,776,405.90
  6. Step 6: Final answer
    x = 29,563,331.96

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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.