Home / 185,812,921.89-278,701,372.89-56,421,669.42

Finding the Fourth Proportional to 185,812,921.89, 278,701,372.89 and 56,421,669.42

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Solution

The fourth proportional to 185,812,921.89, 278,701,372.89 and 56,421,669.42 is: 84,627,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,812,921.89 : 278,701,372.89 = 56,421,669.42 : x
  2. Step 2: Convert to fraction form
    185,812,921.89/278,701,372.89 = 56,421,669.42/x
  3. Step 3: Cross multiply
    185,812,921.89x = 278,701,372.89 × 56,421,669.42
  4. Step 4: Simplify right side
    185,812,921.89x = 15,724,796,728,099,730
  5. Step 5: Solve for x
    x = 15,724,796,728,099,730/185,812,921.89
  6. Step 6: Final answer
    x = 84,627,035.45

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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.