Home / 47,889,010.80-71,833,516.20-45,243,615.60

Finding the Fourth Proportional to 47,889,010.80, 71,833,516.20 and 45,243,615.60

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Solution

The fourth proportional to 47,889,010.80, 71,833,516.20 and 45,243,615.60 is: 67,865,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,889,010.80 : 71,833,516.20 = 45,243,615.60 : x
  2. Step 2: Convert to fraction form
    47,889,010.80/71,833,516.20 = 45,243,615.60/x
  3. Step 3: Cross multiply
    47,889,010.80x = 71,833,516.20 × 45,243,615.60
  4. Step 4: Simplify right side
    47,889,010.80x = 3,250,007,994,149,173
  5. Step 5: Solve for x
    x = 3,250,007,994,149,173/47,889,010.80
  6. Step 6: Final answer
    x = 67,865,423.40

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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.