Home / 265,609,825.20-398,414,737.80-83,833,383.60

Finding the Fourth Proportional to 265,609,825.20, 398,414,737.80 and 83,833,383.60

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Solution

The fourth proportional to 265,609,825.20, 398,414,737.80 and 83,833,383.60 is: 125,750,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,609,825.20 : 398,414,737.80 = 83,833,383.60 : x
  2. Step 2: Convert to fraction form
    265,609,825.20/398,414,737.80 = 83,833,383.60/x
  3. Step 3: Cross multiply
    265,609,825.20x = 398,414,737.80 × 83,833,383.60
  4. Step 4: Simplify right side
    265,609,825.20x = 33,400,455,545,880,820
  5. Step 5: Solve for x
    x = 33,400,455,545,880,820/265,609,825.20
  6. Step 6: Final answer
    x = 125,750,075.40

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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.