Home / 212,334,547,233.99-318,499,639,391.20-122,740,532,439.51

Finding the Fourth Proportional to 212,334,547,233.99, 318,499,639,391.20 and 122,740,532,439.51

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Solution

The fourth proportional to 212,334,547,233.99, 318,499,639,391.20 and 122,740,532,439.51 is: 184,109,537,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,334,547,233.99 : 318,499,639,391.20 = 122,740,532,439.51 : x
  2. Step 2: Convert to fraction form
    212,334,547,233.99/318,499,639,391.20 = 122,740,532,439.51/x
  3. Step 3: Cross multiply
    212,334,547,233.99x = 318,499,639,391.20 × 122,740,532,439.51
  4. Step 4: Simplify right side
    212,334,547,233.99x = 39,092,815,320,667,824,062,464
  5. Step 5: Solve for x
    x = 39,092,815,320,667,824,062,464/212,334,547,233.99
  6. Step 6: Final answer
    x = 184,109,537,660.81

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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.