Home / 265,899,019.80-366,939,244.62-154,417,272.60

Finding the Fourth Proportional to 265,899,019.80, 366,939,244.62 and 154,417,272.60

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Solution

The fourth proportional to 265,899,019.80, 366,939,244.62 and 154,417,272.60 is: 213,095,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,899,019.80 : 366,939,244.62 = 154,417,272.60 : x
  2. Step 2: Convert to fraction form
    265,899,019.80/366,939,244.62 = 154,417,272.60/x
  3. Step 3: Cross multiply
    265,899,019.80x = 366,939,244.62 × 154,417,272.60
  4. Step 4: Simplify right side
    265,899,019.80x = 56,661,757,364,124,624
  5. Step 5: Solve for x
    x = 56,661,757,364,124,624/265,899,019.80
  6. Step 6: Final answer
    x = 213,095,021.59

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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.