Home / 71,757,547.89-107,678,096.90-30,255,821.62

Finding the Fourth Proportional to 71,757,547.89, 107,678,096.90 and 30,255,821.62

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Solution

The fourth proportional to 71,757,547.89, 107,678,096.90 and 30,255,821.62 is: 45,401,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,757,547.89 : 107,678,096.90 = 30,255,821.62 : x
  2. Step 2: Convert to fraction form
    71,757,547.89/107,678,096.90 = 30,255,821.62/x
  3. Step 3: Cross multiply
    71,757,547.89x = 107,678,096.90 × 30,255,821.62
  4. Step 4: Simplify right side
    71,757,547.89x = 3,257,889,292,187,475.50
  5. Step 5: Solve for x
    x = 3,257,889,292,187,475.50/71,757,547.89
  6. Step 6: Final answer
    x = 45,401,346.45

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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.