Home / 89,299,583,999.10-133,949,375,998.65-72,769,643,135.10

Finding the Fourth Proportional to 89,299,583,999.10, 133,949,375,998.65 and 72,769,643,135.10

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Solution

The fourth proportional to 89,299,583,999.10, 133,949,375,998.65 and 72,769,643,135.10 is: 109,154,464,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299,583,999.10 : 133,949,375,998.65 = 72,769,643,135.10 : x
  2. Step 2: Convert to fraction form
    89,299,583,999.10/133,949,375,998.65 = 72,769,643,135.10/x
  3. Step 3: Cross multiply
    89,299,583,999.10x = 133,949,375,998.65 × 72,769,643,135.10
  4. Step 4: Simplify right side
    89,299,583,999.10x = 9,747,448,289,591,090,479,104
  5. Step 5: Solve for x
    x = 9,747,448,289,591,090,479,104/89,299,583,999.10
  6. Step 6: Final answer
    x = 109,154,464,702.65

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1.5x scale

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.