Home / 248,469,228.32-342,902,875.90-136,959,817.62

Finding the Fourth Proportional to 248,469,228.32, 342,902,875.90 and 136,959,817.62

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Solution

The fourth proportional to 248,469,228.32, 342,902,875.90 and 136,959,817.62 is: 189,013,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469,228.32 : 342,902,875.90 = 136,959,817.62 : x
  2. Step 2: Convert to fraction form
    248,469,228.32/342,902,875.90 = 136,959,817.62/x
  3. Step 3: Cross multiply
    248,469,228.32x = 342,902,875.90 × 136,959,817.62
  4. Step 4: Simplify right side
    248,469,228.32x = 46,963,915,344,637,488
  5. Step 5: Solve for x
    x = 46,963,915,344,637,488/248,469,228.32
  6. Step 6: Final answer
    x = 189,013,004.40

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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.