Home / 278,364,186.90-417,546,280.35-96,611,364.90

Finding the Fourth Proportional to 278,364,186.90, 417,546,280.35 and 96,611,364.90

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Solution

The fourth proportional to 278,364,186.90, 417,546,280.35 and 96,611,364.90 is: 144,917,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,364,186.90 : 417,546,280.35 = 96,611,364.90 : x
  2. Step 2: Convert to fraction form
    278,364,186.90/417,546,280.35 = 96,611,364.90/x
  3. Step 3: Cross multiply
    278,364,186.90x = 417,546,280.35 × 96,611,364.90
  4. Step 4: Simplify right side
    278,364,186.90x = 40,339,716,053,531,552
  5. Step 5: Solve for x
    x = 40,339,716,053,531,552/278,364,186.90
  6. Step 6: Final answer
    x = 144,917,047.35

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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.