Home / 68,680,090,352.40-103,020,135,528.60-25,125,598,755.60

Finding the Fourth Proportional to 68,680,090,352.40, 103,020,135,528.60 and 25,125,598,755.60

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Solution

The fourth proportional to 68,680,090,352.40, 103,020,135,528.60 and 25,125,598,755.60 is: 37,688,398,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680,090,352.40 : 103,020,135,528.60 = 25,125,598,755.60 : x
  2. Step 2: Convert to fraction form
    68,680,090,352.40/103,020,135,528.60 = 25,125,598,755.60/x
  3. Step 3: Cross multiply
    68,680,090,352.40x = 103,020,135,528.60 × 25,125,598,755.60
  4. Step 4: Simplify right side
    68,680,090,352.40x = 2,588,442,589,039,135,555,584
  5. Step 5: Solve for x
    x = 2,588,442,589,039,135,555,584/68,680,090,352.40
  6. Step 6: Final answer
    x = 37,688,398,133.40

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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.