Home / 93,629,138.40-140,443,707.60-45,853,394.40

Finding the Fourth Proportional to 93,629,138.40, 140,443,707.60 and 45,853,394.40

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Solution

The fourth proportional to 93,629,138.40, 140,443,707.60 and 45,853,394.40 is: 68,780,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,629,138.40 : 140,443,707.60 = 45,853,394.40 : x
  2. Step 2: Convert to fraction form
    93,629,138.40/140,443,707.60 = 45,853,394.40/x
  3. Step 3: Cross multiply
    93,629,138.40x = 140,443,707.60 × 45,853,394.40
  4. Step 4: Simplify right side
    93,629,138.40x = 6,439,820,715,581,077
  5. Step 5: Solve for x
    x = 6,439,820,715,581,077/93,629,138.40
  6. Step 6: Final answer
    x = 68,780,091.60

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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.