Home / 53,900,384.80-80,850,577.20-19,814,677.60

Finding the Fourth Proportional to 53,900,384.80, 80,850,577.20 and 19,814,677.60

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Solution

The fourth proportional to 53,900,384.80, 80,850,577.20 and 19,814,677.60 is: 29,722,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,384.80 : 80,850,577.20 = 19,814,677.60 : x
  2. Step 2: Convert to fraction form
    53,900,384.80/80,850,577.20 = 19,814,677.60/x
  3. Step 3: Cross multiply
    53,900,384.80x = 80,850,577.20 × 19,814,677.60
  4. Step 4: Simplify right side
    53,900,384.80x = 1,602,028,120,991,911
  5. Step 5: Solve for x
    x = 1,602,028,120,991,911/53,900,384.80
  6. Step 6: Final answer
    x = 29,722,016.40

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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.