Home / 83,088,186.40-124,632,279.60-79,120,093.60

Finding the Fourth Proportional to 83,088,186.40, 124,632,279.60 and 79,120,093.60

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Solution

The fourth proportional to 83,088,186.40, 124,632,279.60 and 79,120,093.60 is: 118,680,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,088,186.40 : 124,632,279.60 = 79,120,093.60 : x
  2. Step 2: Convert to fraction form
    83,088,186.40/124,632,279.60 = 79,120,093.60/x
  3. Step 3: Cross multiply
    83,088,186.40x = 124,632,279.60 × 79,120,093.60
  4. Step 4: Simplify right side
    83,088,186.40x = 9,860,917,627,533,370
  5. Step 5: Solve for x
    x = 9,860,917,627,533,370/83,088,186.40
  6. Step 6: Final answer
    x = 118,680,140.40

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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.