Home / 122,084,711.60-183,339,643.80-64,689,083.60

Finding the Fourth Proportional to 122,084,711.60, 183,339,643.80 and 64,689,083.60

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Solution

The fourth proportional to 122,084,711.60, 183,339,643.80 and 64,689,083.60 is: 97,146,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,084,711.60 : 183,339,643.80 = 64,689,083.60 : x
  2. Step 2: Convert to fraction form
    122,084,711.60/183,339,643.80 = 64,689,083.60/x
  3. Step 3: Cross multiply
    122,084,711.60x = 183,339,643.80 × 64,689,083.60
  4. Step 4: Simplify right side
    122,084,711.60x = 11,860,073,544,972,422
  5. Step 5: Solve for x
    x = 11,860,073,544,972,422/122,084,711.60
  6. Step 6: Final answer
    x = 97,146,263.36

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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.