Home / 248,432,951.76-342,838,833.12-144,072,898.08

Finding the Fourth Proportional to 248,432,951.76, 342,838,833.12 and 144,072,898.08

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Solution

The fourth proportional to 248,432,951.76, 342,838,833.12 and 144,072,898.08 is: 198,821,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,432,951.76 : 342,838,833.12 = 144,072,898.08 : x
  2. Step 2: Convert to fraction form
    248,432,951.76/342,838,833.12 = 144,072,898.08/x
  3. Step 3: Cross multiply
    248,432,951.76x = 342,838,833.12 × 144,072,898.08
  4. Step 4: Simplify right side
    248,432,951.76x = 49,393,784,261,963,896
  5. Step 5: Solve for x
    x = 49,393,784,261,963,896/248,432,951.76
  6. Step 6: Final answer
    x = 198,821,387.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.