Home / 191,650,100.40-287,475,150.60-122,775,346.80

Finding the Fourth Proportional to 191,650,100.40, 287,475,150.60 and 122,775,346.80

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Solution

The fourth proportional to 191,650,100.40, 287,475,150.60 and 122,775,346.80 is: 184,163,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,650,100.40 : 287,475,150.60 = 122,775,346.80 : x
  2. Step 2: Convert to fraction form
    191,650,100.40/287,475,150.60 = 122,775,346.80/x
  3. Step 3: Cross multiply
    191,650,100.40x = 287,475,150.60 × 122,775,346.80
  4. Step 4: Simplify right side
    191,650,100.40x = 35,294,861,311,297,232
  5. Step 5: Solve for x
    x = 35,294,861,311,297,232/191,650,100.40
  6. Step 6: Final answer
    x = 184,163,020.20

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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.