Home / 70,580,186.60-105,870,279.90-19,470,093.80

Finding the Fourth Proportional to 70,580,186.60, 105,870,279.90 and 19,470,093.80

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Solution

The fourth proportional to 70,580,186.60, 105,870,279.90 and 19,470,093.80 is: 29,205,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580,186.60 : 105,870,279.90 = 19,470,093.80 : x
  2. Step 2: Convert to fraction form
    70,580,186.60/105,870,279.90 = 19,470,093.80/x
  3. Step 3: Cross multiply
    70,580,186.60x = 105,870,279.90 × 19,470,093.80
  4. Step 4: Simplify right side
    70,580,186.60x = 2,061,304,280,285,254.75
  5. Step 5: Solve for x
    x = 2,061,304,280,285,254.75/70,580,186.60
  6. Step 6: Final answer
    x = 29,205,140.70

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Double scale
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Similar ratio
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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.