Home / 165,365,870.40-248,221,181.04-73,314,253.62

Finding the Fourth Proportional to 165,365,870.40, 248,221,181.04 and 73,314,253.62

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Solution

The fourth proportional to 165,365,870.40, 248,221,181.04 and 73,314,253.62 is: 110,047,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,365,870.40 : 248,221,181.04 = 73,314,253.62 : x
  2. Step 2: Convert to fraction form
    165,365,870.40/248,221,181.04 = 73,314,253.62/x
  3. Step 3: Cross multiply
    165,365,870.40x = 248,221,181.04 × 73,314,253.62
  4. Step 4: Simplify right side
    165,365,870.40x = 18,198,150,620,622,496
  5. Step 5: Solve for x
    x = 18,198,150,620,622,496/165,365,870.40
  6. Step 6: Final answer
    x = 110,047,802.35

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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.