Home / 170,290,853.70-255,436,280.55-116,543,141.70

Finding the Fourth Proportional to 170,290,853.70, 255,436,280.55 and 116,543,141.70

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Solution

The fourth proportional to 170,290,853.70, 255,436,280.55 and 116,543,141.70 is: 174,814,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,290,853.70 : 255,436,280.55 = 116,543,141.70 : x
  2. Step 2: Convert to fraction form
    170,290,853.70/255,436,280.55 = 116,543,141.70/x
  3. Step 3: Cross multiply
    170,290,853.70x = 255,436,280.55 × 116,543,141.70
  4. Step 4: Simplify right side
    170,290,853.70x = 29,769,346,639,459,608
  5. Step 5: Solve for x
    x = 29,769,346,639,459,608/170,290,853.70
  6. Step 6: Final answer
    x = 174,814,712.55

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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.