Home / 64,516,883.20-96,775,324.80-28,615,091.20

Finding the Fourth Proportional to 64,516,883.20, 96,775,324.80 and 28,615,091.20

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Solution

The fourth proportional to 64,516,883.20, 96,775,324.80 and 28,615,091.20 is: 42,922,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516,883.20 : 96,775,324.80 = 28,615,091.20 : x
  2. Step 2: Convert to fraction form
    64,516,883.20/96,775,324.80 = 28,615,091.20/x
  3. Step 3: Cross multiply
    64,516,883.20x = 96,775,324.80 × 28,615,091.20
  4. Step 4: Simplify right side
    64,516,883.20x = 2,769,234,745,061,621.50
  5. Step 5: Solve for x
    x = 2,769,234,745,061,621.50/64,516,883.20
  6. Step 6: Final answer
    x = 42,922,636.80

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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.