Home / 31,393,740.40-47,090,610.60-29,630,143.60

Finding the Fourth Proportional to 31,393,740.40, 47,090,610.60 and 29,630,143.60

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Solution

The fourth proportional to 31,393,740.40, 47,090,610.60 and 29,630,143.60 is: 44,445,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393,740.40 : 47,090,610.60 = 29,630,143.60 : x
  2. Step 2: Convert to fraction form
    31,393,740.40/47,090,610.60 = 29,630,143.60/x
  3. Step 3: Cross multiply
    31,393,740.40x = 47,090,610.60 × 29,630,143.60
  4. Step 4: Simplify right side
    31,393,740.40x = 1,395,301,554,289,682.25
  5. Step 5: Solve for x
    x = 1,395,301,554,289,682.25/31,393,740.40
  6. Step 6: Final answer
    x = 44,445,215.40

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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.