Home / 217,190,532.48-325,349,602.32-100,442,244.96

Finding the Fourth Proportional to 217,190,532.48, 325,349,602.32 and 100,442,244.96

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Solution

The fourth proportional to 217,190,532.48, 325,349,602.32 and 100,442,244.96 is: 150,461,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,190,532.48 : 325,349,602.32 = 100,442,244.96 : x
  2. Step 2: Convert to fraction form
    217,190,532.48/325,349,602.32 = 100,442,244.96/x
  3. Step 3: Cross multiply
    217,190,532.48x = 325,349,602.32 × 100,442,244.96
  4. Step 4: Simplify right side
    217,190,532.48x = 32,678,844,453,864,020
  5. Step 5: Solve for x
    x = 32,678,844,453,864,020/217,190,532.48
  6. Step 6: Final answer
    x = 150,461,643.43

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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.