Home / 56,133,615.20-84,200,422.80-49,191,202.40

Finding the Fourth Proportional to 56,133,615.20, 84,200,422.80 and 49,191,202.40

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Solution

The fourth proportional to 56,133,615.20, 84,200,422.80 and 49,191,202.40 is: 73,786,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133,615.20 : 84,200,422.80 = 49,191,202.40 : x
  2. Step 2: Convert to fraction form
    56,133,615.20/84,200,422.80 = 49,191,202.40/x
  3. Step 3: Cross multiply
    56,133,615.20x = 84,200,422.80 × 49,191,202.40
  4. Step 4: Simplify right side
    56,133,615.20x = 4,141,920,040,120,374.50
  5. Step 5: Solve for x
    x = 4,141,920,040,120,374.50/56,133,615.20
  6. Step 6: Final answer
    x = 73,786,803.60

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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.