Home / 31,393,792.40-47,090,688.60-29,630,195.60

Finding the Fourth Proportional to 31,393,792.40, 47,090,688.60 and 29,630,195.60

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Solution

The fourth proportional to 31,393,792.40, 47,090,688.60 and 29,630,195.60 is: 44,445,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393,792.40 : 47,090,688.60 = 29,630,195.60 : x
  2. Step 2: Convert to fraction form
    31,393,792.40/47,090,688.60 = 29,630,195.60/x
  3. Step 3: Cross multiply
    31,393,792.40x = 47,090,688.60 × 29,630,195.60
  4. Step 4: Simplify right side
    31,393,792.40x = 1,395,306,314,156,690.25
  5. Step 5: Solve for x
    x = 1,395,306,314,156,690.25/31,393,792.40
  6. Step 6: Final answer
    x = 44,445,293.40

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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.