Home / 212,784,493.60-319,176,740.40-51,226,429.60

Finding the Fourth Proportional to 212,784,493.60, 319,176,740.40 and 51,226,429.60

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Solution

The fourth proportional to 212,784,493.60, 319,176,740.40 and 51,226,429.60 is: 76,839,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784,493.60 : 319,176,740.40 = 51,226,429.60 : x
  2. Step 2: Convert to fraction form
    212,784,493.60/319,176,740.40 = 51,226,429.60/x
  3. Step 3: Cross multiply
    212,784,493.60x = 319,176,740.40 × 51,226,429.60
  4. Step 4: Simplify right side
    212,784,493.60x = 16,350,284,822,058,076
  5. Step 5: Solve for x
    x = 16,350,284,822,058,076/212,784,493.60
  6. Step 6: Final answer
    x = 76,839,644.40

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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.