Home / 204,782,721.16-282,602,835.78-111,963,335.72

Finding the Fourth Proportional to 204,782,721.16, 282,602,835.78 and 111,963,335.72

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Solution

The fourth proportional to 204,782,721.16, 282,602,835.78 and 111,963,335.72 is: 154,510,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,782,721.16 : 282,602,835.78 = 111,963,335.72 : x
  2. Step 2: Convert to fraction form
    204,782,721.16/282,602,835.78 = 111,963,335.72/x
  3. Step 3: Cross multiply
    204,782,721.16x = 282,602,835.78 × 111,963,335.72
  4. Step 4: Simplify right side
    204,782,721.16x = 31,641,156,177,860,164
  5. Step 5: Solve for x
    x = 31,641,156,177,860,164/204,782,721.16
  6. Step 6: Final answer
    x = 154,510,868.88

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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.