Home / 45,554,855.20-68,332,282.80-42,047,344.60

Finding the Fourth Proportional to 45,554,855.20, 68,332,282.80 and 42,047,344.60

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Solution

The fourth proportional to 45,554,855.20, 68,332,282.80 and 42,047,344.60 is: 63,071,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554,855.20 : 68,332,282.80 = 42,047,344.60 : x
  2. Step 2: Convert to fraction form
    45,554,855.20/68,332,282.80 = 42,047,344.60/x
  3. Step 3: Cross multiply
    45,554,855.20x = 68,332,282.80 × 42,047,344.60
  4. Step 4: Simplify right side
    45,554,855.20x = 2,873,191,042,196,253
  5. Step 5: Solve for x
    x = 2,873,191,042,196,253/45,554,855.20
  6. Step 6: Final answer
    x = 63,071,016.90

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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.