Home / 73,685,819.40-110,528,729.10-68,902,850.40

Finding the Fourth Proportional to 73,685,819.40, 110,528,729.10 and 68,902,850.40

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Solution

The fourth proportional to 73,685,819.40, 110,528,729.10 and 68,902,850.40 is: 103,354,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685,819.40 : 110,528,729.10 = 68,902,850.40 : x
  2. Step 2: Convert to fraction form
    73,685,819.40/110,528,729.10 = 68,902,850.40/x
  3. Step 3: Cross multiply
    73,685,819.40x = 110,528,729.10 × 68,902,850.40
  4. Step 4: Simplify right side
    73,685,819.40x = 7,615,744,486,079,427
  5. Step 5: Solve for x
    x = 7,615,744,486,079,427/73,685,819.40
  6. Step 6: Final answer
    x = 103,354,275.60

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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.