Home / 122,485,655.90-183,728,483.85-114,927,383.90

Finding the Fourth Proportional to 122,485,655.90, 183,728,483.85 and 114,927,383.90

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Solution

The fourth proportional to 122,485,655.90, 183,728,483.85 and 114,927,383.90 is: 172,391,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,655.90 : 183,728,483.85 = 114,927,383.90 : x
  2. Step 2: Convert to fraction form
    122,485,655.90/183,728,483.85 = 114,927,383.90/x
  3. Step 3: Cross multiply
    122,485,655.90x = 183,728,483.85 × 114,927,383.90
  4. Step 4: Simplify right side
    122,485,655.90x = 21,115,433,996,793,900
  5. Step 5: Solve for x
    x = 21,115,433,996,793,900/122,485,655.90
  6. Step 6: Final answer
    x = 172,391,075.85

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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.