Home / 100,479,855.54-150,703,066.22-30,433,430.34

Finding the Fourth Proportional to 100,479,855.54, 150,703,066.22 and 30,433,430.34

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Solution

The fourth proportional to 100,479,855.54, 150,703,066.22 and 30,433,430.34 is: 45,645,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,479,855.54 : 150,703,066.22 = 30,433,430.34 : x
  2. Step 2: Convert to fraction form
    100,479,855.54/150,703,066.22 = 30,433,430.34/x
  3. Step 3: Cross multiply
    100,479,855.54x = 150,703,066.22 × 30,433,430.34
  4. Step 4: Simplify right side
    100,479,855.54x = 4,586,411,267,678,610
  5. Step 5: Solve for x
    x = 4,586,411,267,678,610/100,479,855.54
  6. Step 6: Final answer
    x = 45,645,082.22

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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.