Home / 129,033,312.80-193,549,969.20-33,295,200.80

Finding the Fourth Proportional to 129,033,312.80, 193,549,969.20 and 33,295,200.80

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Solution

The fourth proportional to 129,033,312.80, 193,549,969.20 and 33,295,200.80 is: 49,942,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033,312.80 : 193,549,969.20 = 33,295,200.80 : x
  2. Step 2: Convert to fraction form
    129,033,312.80/193,549,969.20 = 33,295,200.80/x
  3. Step 3: Cross multiply
    129,033,312.80x = 193,549,969.20 × 33,295,200.80
  4. Step 4: Simplify right side
    129,033,312.80x = 6,444,285,089,347,815
  5. Step 5: Solve for x
    x = 6,444,285,089,347,815/129,033,312.80
  6. Step 6: Final answer
    x = 49,942,801.20

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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.