Home / 53,444,638.80-80,166,958.20-45,791,888.40

Finding the Fourth Proportional to 53,444,638.80, 80,166,958.20 and 45,791,888.40

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Solution

The fourth proportional to 53,444,638.80, 80,166,958.20 and 45,791,888.40 is: 68,687,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,444,638.80 : 80,166,958.20 = 45,791,888.40 : x
  2. Step 2: Convert to fraction form
    53,444,638.80/80,166,958.20 = 45,791,888.40/x
  3. Step 3: Cross multiply
    53,444,638.80x = 80,166,958.20 × 45,791,888.40
  4. Step 4: Simplify right side
    53,444,638.80x = 3,670,996,403,261,865
  5. Step 5: Solve for x
    x = 3,670,996,403,261,865/53,444,638.80
  6. Step 6: Final answer
    x = 68,687,832.60

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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.