Home / 165,980,678.20-248,803,055.70-97,788,268.60

Finding the Fourth Proportional to 165,980,678.20, 248,803,055.70 and 97,788,268.60

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Solution

The fourth proportional to 165,980,678.20, 248,803,055.70 and 97,788,268.60 is: 146,583,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,980,678.20 : 248,803,055.70 = 97,788,268.60 : x
  2. Step 2: Convert to fraction form
    165,980,678.20/248,803,055.70 = 97,788,268.60/x
  3. Step 3: Cross multiply
    165,980,678.20x = 248,803,055.70 × 97,788,268.60
  4. Step 4: Simplify right side
    165,980,678.20x = 24,330,020,039,292,360
  5. Step 5: Solve for x
    x = 24,330,020,039,292,360/165,980,678.20
  6. Step 6: Final answer
    x = 146,583,447.56

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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.