Home / 122,516,999.90-183,775,499.85-45,830,063.60

Finding the Fourth Proportional to 122,516,999.90, 183,775,499.85 and 45,830,063.60

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Solution

The fourth proportional to 122,516,999.90, 183,775,499.85 and 45,830,063.60 is: 68,745,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516,999.90 : 183,775,499.85 = 45,830,063.60 : x
  2. Step 2: Convert to fraction form
    122,516,999.90/183,775,499.85 = 45,830,063.60/x
  3. Step 3: Cross multiply
    122,516,999.90x = 183,775,499.85 × 45,830,063.60
  4. Step 4: Simplify right side
    122,516,999.90x = 8,422,442,846,247,290
  5. Step 5: Solve for x
    x = 8,422,442,846,247,290/122,516,999.90
  6. Step 6: Final answer
    x = 68,745,095.40

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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.