Home / 435,089,091.60-652,651,647.34-128,381,204.47

Finding the Fourth Proportional to 435,089,091.60, 652,651,647.34 and 128,381,204.47

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Solution

The fourth proportional to 435,089,091.60, 652,651,647.34 and 128,381,204.47 is: 192,577,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,089,091.60 : 652,651,647.34 = 128,381,204.47 : x
  2. Step 2: Convert to fraction form
    435,089,091.60/652,651,647.34 = 128,381,204.47/x
  3. Step 3: Cross multiply
    435,089,091.60x = 652,651,647.34 × 128,381,204.47
  4. Step 4: Simplify right side
    435,089,091.60x = 83,788,204,584,196,976
  5. Step 5: Solve for x
    x = 83,788,204,584,196,976/435,089,091.60
  6. Step 6: Final answer
    x = 192,577,120.88

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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.