Home / 137,355,264,015.60-206,032,896,023.40-115,315,342,863.60

Finding the Fourth Proportional to 137,355,264,015.60, 206,032,896,023.40 and 115,315,342,863.60

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Solution

The fourth proportional to 137,355,264,015.60, 206,032,896,023.40 and 115,315,342,863.60 is: 172,973,014,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,355,264,015.60 : 206,032,896,023.40 = 115,315,342,863.60 : x
  2. Step 2: Convert to fraction form
    137,355,264,015.60/206,032,896,023.40 = 115,315,342,863.60/x
  3. Step 3: Cross multiply
    137,355,264,015.60x = 206,032,896,023.40 × 115,315,342,863.60
  4. Step 4: Simplify right side
    137,355,264,015.60x = 23,758,754,046,118,820,052,992
  5. Step 5: Solve for x
    x = 23,758,754,046,118,820,052,992/137,355,264,015.60
  6. Step 6: Final answer
    x = 172,973,014,295.40

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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.