Home / 265,890,458.98-366,990,055.40-155,917,601.38

Finding the Fourth Proportional to 265,890,458.98, 366,990,055.40 and 155,917,601.38

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Solution

The fourth proportional to 265,890,458.98, 366,990,055.40 and 155,917,601.38 is: 215,202,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,458.98 : 366,990,055.40 = 155,917,601.38 : x
  2. Step 2: Convert to fraction form
    265,890,458.98/366,990,055.40 = 155,917,601.38/x
  3. Step 3: Cross multiply
    265,890,458.98x = 366,990,055.40 × 155,917,601.38
  4. Step 4: Simplify right side
    265,890,458.98x = 57,220,209,168,281,312
  5. Step 5: Solve for x
    x = 57,220,209,168,281,312/265,890,458.98
  6. Step 6: Final answer
    x = 215,202,190.36

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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.