Home / 164,893,784.14-246,963,841.08-78,692,725.34

Finding the Fourth Proportional to 164,893,784.14, 246,963,841.08 and 78,692,725.34

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Solution

The fourth proportional to 164,893,784.14, 246,963,841.08 and 78,692,725.34 is: 117,859,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,893,784.14 : 246,963,841.08 = 78,692,725.34 : x
  2. Step 2: Convert to fraction form
    164,893,784.14/246,963,841.08 = 78,692,725.34/x
  3. Step 3: Cross multiply
    164,893,784.14x = 246,963,841.08 × 78,692,725.34
  4. Step 4: Simplify right side
    164,893,784.14x = 19,434,257,714,416,048
  5. Step 5: Solve for x
    x = 19,434,257,714,416,048/164,893,784.14
  6. Step 6: Final answer
    x = 117,859,249.91

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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.