Home / 212,689,830.80-319,034,746.20-182,078,829.20

Finding the Fourth Proportional to 212,689,830.80, 319,034,746.20 and 182,078,829.20

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Solution

The fourth proportional to 212,689,830.80, 319,034,746.20 and 182,078,829.20 is: 273,118,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,689,830.80 : 319,034,746.20 = 182,078,829.20 : x
  2. Step 2: Convert to fraction form
    212,689,830.80/319,034,746.20 = 182,078,829.20/x
  3. Step 3: Cross multiply
    212,689,830.80x = 319,034,746.20 × 182,078,829.20
  4. Step 4: Simplify right side
    212,689,830.80x = 58,089,473,062,215,144
  5. Step 5: Solve for x
    x = 58,089,473,062,215,144/212,689,830.80
  6. Step 6: Final answer
    x = 273,118,243.80

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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.