Home / 165,395,428.20-247,715,228.70-97,370,980.20

Finding the Fourth Proportional to 165,395,428.20, 247,715,228.70 and 97,370,980.20

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Solution

The fourth proportional to 165,395,428.20, 247,715,228.70 and 97,370,980.20 is: 145,833,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,395,428.20 : 247,715,228.70 = 97,370,980.20 : x
  2. Step 2: Convert to fraction form
    165,395,428.20/247,715,228.70 = 97,370,980.20/x
  3. Step 3: Cross multiply
    165,395,428.20x = 247,715,228.70 × 97,370,980.20
  4. Step 4: Simplify right side
    165,395,428.20x = 24,120,274,628,986,172
  5. Step 5: Solve for x
    x = 24,120,274,628,986,172/165,395,428.20
  6. Step 6: Final answer
    x = 145,833,986.41

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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.