Home / 122,485,666.40-183,728,499.60-114,927,394.40

Finding the Fourth Proportional to 122,485,666.40, 183,728,499.60 and 114,927,394.40

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Solution

The fourth proportional to 122,485,666.40, 183,728,499.60 and 114,927,394.40 is: 172,391,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,666.40 : 183,728,499.60 = 114,927,394.40 : x
  2. Step 2: Convert to fraction form
    122,485,666.40/183,728,499.60 = 114,927,394.40/x
  3. Step 3: Cross multiply
    122,485,666.40x = 183,728,499.60 × 114,927,394.40
  4. Step 4: Simplify right side
    122,485,666.40x = 21,115,437,736,049,444
  5. Step 5: Solve for x
    x = 21,115,437,736,049,444/122,485,666.40
  6. Step 6: Final answer
    x = 172,391,091.60

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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.