Home / 64,961,689.36-89,639,898.60-35,981,055.76

Finding the Fourth Proportional to 64,961,689.36, 89,639,898.60 and 35,981,055.76

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Solution

The fourth proportional to 64,961,689.36, 89,639,898.60 and 35,981,055.76 is: 49,649,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,961,689.36 : 89,639,898.60 = 35,981,055.76 : x
  2. Step 2: Convert to fraction form
    64,961,689.36/89,639,898.60 = 35,981,055.76/x
  3. Step 3: Cross multiply
    64,961,689.36x = 89,639,898.60 × 35,981,055.76
  4. Step 4: Simplify right side
    64,961,689.36x = 3,225,338,189,847,345.50
  5. Step 5: Solve for x
    x = 3,225,338,189,847,345.50/64,961,689.36
  6. Step 6: Final answer
    x = 49,649,850.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.