Home / 76,464,009.10-114,621,364.05-68,401,852.30

Finding the Fourth Proportional to 76,464,009.10, 114,621,364.05 and 68,401,852.30

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Solution

The fourth proportional to 76,464,009.10, 114,621,364.05 and 68,401,852.30 is: 102,535,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464,009.10 : 114,621,364.05 = 68,401,852.30 : x
  2. Step 2: Convert to fraction form
    76,464,009.10/114,621,364.05 = 68,401,852.30/x
  3. Step 3: Cross multiply
    76,464,009.10x = 114,621,364.05 × 68,401,852.30
  4. Step 4: Simplify right side
    76,464,009.10x = 7,840,313,614,172,629
  5. Step 5: Solve for x
    x = 7,840,313,614,172,629/76,464,009.10
  6. Step 6: Final answer
    x = 102,535,999.70

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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.