Home / 140,495,244.39-210,589,135.07-72,342,025.83

Finding the Fourth Proportional to 140,495,244.39, 210,589,135.07 and 72,342,025.83

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Solution

The fourth proportional to 140,495,244.39, 210,589,135.07 and 72,342,025.83 is: 108,433,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,495,244.39 : 210,589,135.07 = 72,342,025.83 : x
  2. Step 2: Convert to fraction form
    140,495,244.39/210,589,135.07 = 72,342,025.83/x
  3. Step 3: Cross multiply
    140,495,244.39x = 210,589,135.07 × 72,342,025.83
  4. Step 4: Simplify right side
    140,495,244.39x = 15,234,444,648,389,588
  5. Step 5: Solve for x
    x = 15,234,444,648,389,588/140,495,244.39
  6. Step 6: Final answer
    x = 108,433,881.26

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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.