Home / 278,364,189.40-417,546,284.10-96,611,367.40

Finding the Fourth Proportional to 278,364,189.40, 417,546,284.10 and 96,611,367.40

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Solution

The fourth proportional to 278,364,189.40, 417,546,284.10 and 96,611,367.40 is: 144,917,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,364,189.40 : 417,546,284.10 = 96,611,367.40 : x
  2. Step 2: Convert to fraction form
    278,364,189.40/417,546,284.10 = 96,611,367.40/x
  3. Step 3: Cross multiply
    278,364,189.40x = 417,546,284.10 × 96,611,367.40
  4. Step 4: Simplify right side
    278,364,189.40x = 40,339,717,459,689,880
  5. Step 5: Solve for x
    x = 40,339,717,459,689,880/278,364,189.40
  6. Step 6: Final answer
    x = 144,917,051.10

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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.