Home / 118,759,336.92-178,168,676.76-83,812,685.70

Finding the Fourth Proportional to 118,759,336.92, 178,168,676.76 and 83,812,685.70

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Solution

The fourth proportional to 118,759,336.92, 178,168,676.76 and 83,812,685.70 is: 125,739,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,759,336.92 : 178,168,676.76 = 83,812,685.70 : x
  2. Step 2: Convert to fraction form
    118,759,336.92/178,168,676.76 = 83,812,685.70/x
  3. Step 3: Cross multiply
    118,759,336.92x = 178,168,676.76 × 83,812,685.70
  4. Step 4: Simplify right side
    118,759,336.92x = 14,932,795,306,870,774
  5. Step 5: Solve for x
    x = 14,932,795,306,870,774/118,759,336.92
  6. Step 6: Final answer
    x = 125,739,968.70

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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.