Home / 165,888,839.40-248,833,259.10-125,578,055.40

Finding the Fourth Proportional to 165,888,839.40, 248,833,259.10 and 125,578,055.40

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Solution

The fourth proportional to 165,888,839.40, 248,833,259.10 and 125,578,055.40 is: 188,367,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,839.40 : 248,833,259.10 = 125,578,055.40 : x
  2. Step 2: Convert to fraction form
    165,888,839.40/248,833,259.10 = 125,578,055.40/x
  3. Step 3: Cross multiply
    165,888,839.40x = 248,833,259.10 × 125,578,055.40
  4. Step 4: Simplify right side
    165,888,839.40x = 31,247,996,796,622,356
  5. Step 5: Solve for x
    x = 31,247,996,796,622,356/165,888,839.40
  6. Step 6: Final answer
    x = 188,367,083.10

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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.