Home / 212,019,561.84-318,036,429.48-58,652,775.12

Finding the Fourth Proportional to 212,019,561.84, 318,036,429.48 and 58,652,775.12

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Solution

The fourth proportional to 212,019,561.84, 318,036,429.48 and 58,652,775.12 is: 87,981,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,019,561.84 : 318,036,429.48 = 58,652,775.12 : x
  2. Step 2: Convert to fraction form
    212,019,561.84/318,036,429.48 = 58,652,775.12/x
  3. Step 3: Cross multiply
    212,019,561.84x = 318,036,429.48 × 58,652,775.12
  4. Step 4: Simplify right side
    212,019,561.84x = 18,653,719,178,258,180
  5. Step 5: Solve for x
    x = 18,653,719,178,258,180/212,019,561.84
  6. Step 6: Final answer
    x = 87,981,123.14

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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.