Home / 212,334,547,234.24-318,499,639,391.58-122,740,532,439.76

Finding the Fourth Proportional to 212,334,547,234.24, 318,499,639,391.58 and 122,740,532,439.76

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Solution

The fourth proportional to 212,334,547,234.24, 318,499,639,391.58 and 122,740,532,439.76 is: 184,109,537,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,334,547,234.24 : 318,499,639,391.58 = 122,740,532,439.76 : x
  2. Step 2: Convert to fraction form
    212,334,547,234.24/318,499,639,391.58 = 122,740,532,439.76/x
  3. Step 3: Cross multiply
    212,334,547,234.24x = 318,499,639,391.58 × 122,740,532,439.76
  4. Step 4: Simplify right side
    212,334,547,234.24x = 39,092,815,320,794,089,390,080
  5. Step 5: Solve for x
    x = 39,092,815,320,794,089,390,080/212,334,547,234.24
  6. Step 6: Final answer
    x = 184,109,537,661.19

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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.