Home / 68,256,553.60-102,384,830.40-66,366,985.60

Finding the Fourth Proportional to 68,256,553.60, 102,384,830.40 and 66,366,985.60

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Solution

The fourth proportional to 68,256,553.60, 102,384,830.40 and 66,366,985.60 is: 99,550,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,553.60 : 102,384,830.40 = 66,366,985.60 : x
  2. Step 2: Convert to fraction form
    68,256,553.60/102,384,830.40 = 66,366,985.60/x
  3. Step 3: Cross multiply
    68,256,553.60x = 102,384,830.40 × 66,366,985.60
  4. Step 4: Simplify right side
    68,256,553.60x = 6,794,972,564,815,243
  5. Step 5: Solve for x
    x = 6,794,972,564,815,243/68,256,553.60
  6. Step 6: Final answer
    x = 99,550,478.40

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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.