Home / 265,890,515.24-366,990,133.04-155,917,657.64

Finding the Fourth Proportional to 265,890,515.24, 366,990,133.04 and 155,917,657.64

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Solution

The fourth proportional to 265,890,515.24, 366,990,133.04 and 155,917,657.64 is: 215,202,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,515.24 : 366,990,133.04 = 155,917,657.64 : x
  2. Step 2: Convert to fraction form
    265,890,515.24/366,990,133.04 = 155,917,657.64/x
  3. Step 3: Cross multiply
    265,890,515.24x = 366,990,133.04 × 155,917,657.64
  4. Step 4: Simplify right side
    265,890,515.24x = 57,220,241,917,974,232
  5. Step 5: Solve for x
    x = 57,220,241,917,974,232/265,890,515.24
  6. Step 6: Final answer
    x = 215,202,268.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.