Home / 64,678,769.36-89,258,055.64-35,311,339.72

Finding the Fourth Proportional to 64,678,769.36, 89,258,055.64 and 35,311,339.72

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Solution

The fourth proportional to 64,678,769.36, 89,258,055.64 and 35,311,339.72 is: 48,730,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678,769.36 : 89,258,055.64 = 35,311,339.72 : x
  2. Step 2: Convert to fraction form
    64,678,769.36/89,258,055.64 = 35,311,339.72/x
  3. Step 3: Cross multiply
    64,678,769.36x = 89,258,055.64 × 35,311,339.72
  4. Step 4: Simplify right side
    64,678,769.36x = 3,151,821,525,450,702
  5. Step 5: Solve for x
    x = 3,151,821,525,450,702/64,678,769.36
  6. Step 6: Final answer
    x = 48,730,387.99

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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.