Home / 351,523,812.42-526,916,612.76-118,273,551.72

Finding the Fourth Proportional to 351,523,812.42, 526,916,612.76 and 118,273,551.72

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Solution

The fourth proportional to 351,523,812.42, 526,916,612.76 and 118,273,551.72 is: 177,286,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,523,812.42 : 526,916,612.76 = 118,273,551.72 : x
  2. Step 2: Convert to fraction form
    351,523,812.42/526,916,612.76 = 118,273,551.72/x
  3. Step 3: Cross multiply
    351,523,812.42x = 526,916,612.76 × 118,273,551.72
  4. Step 4: Simplify right side
    351,523,812.42x = 62,320,299,251,397,072
  5. Step 5: Solve for x
    x = 62,320,299,251,397,072/351,523,812.42
  6. Step 6: Final answer
    x = 177,286,138.38

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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.