Home / 369,114,310.68-553,726,512.54-135,927,089.16

Finding the Fourth Proportional to 369,114,310.68, 553,726,512.54 and 135,927,089.16

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Solution

The fourth proportional to 369,114,310.68, 553,726,512.54 and 135,927,089.16 is: 203,910,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,114,310.68 : 553,726,512.54 = 135,927,089.16 : x
  2. Step 2: Convert to fraction form
    369,114,310.68/553,726,512.54 = 135,927,089.16/x
  3. Step 3: Cross multiply
    369,114,310.68x = 553,726,512.54 × 135,927,089.16
  4. Step 4: Simplify right side
    369,114,310.68x = 75,266,433,040,280,432
  5. Step 5: Solve for x
    x = 75,266,433,040,280,432/369,114,310.68
  6. Step 6: Final answer
    x = 203,910,904.73

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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.