Home / 64,410,487.40-96,628,172.70-18,973,764.20

Finding the Fourth Proportional to 64,410,487.40, 96,628,172.70 and 18,973,764.20

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Solution

The fourth proportional to 64,410,487.40, 96,628,172.70 and 18,973,764.20 is: 28,464,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,410,487.40 : 96,628,172.70 = 18,973,764.20 : x
  2. Step 2: Convert to fraction form
    64,410,487.40/96,628,172.70 = 18,973,764.20/x
  3. Step 3: Cross multiply
    64,410,487.40x = 96,628,172.70 × 18,973,764.20
  4. Step 4: Simplify right side
    64,410,487.40x = 1,833,400,163,886,677.25
  5. Step 5: Solve for x
    x = 1,833,400,163,886,677.25/64,410,487.40
  6. Step 6: Final answer
    x = 28,464,311.29

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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.