Home / 43,012,293.12-64,520,254.08-20,004,819.84

Finding the Fourth Proportional to 43,012,293.12, 64,520,254.08 and 20,004,819.84

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Solution

The fourth proportional to 43,012,293.12, 64,520,254.08 and 20,004,819.84 is: 30,008,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012,293.12 : 64,520,254.08 = 20,004,819.84 : x
  2. Step 2: Convert to fraction form
    43,012,293.12/64,520,254.08 = 20,004,819.84/x
  3. Step 3: Cross multiply
    43,012,293.12x = 64,520,254.08 × 20,004,819.84
  4. Step 4: Simplify right side
    43,012,293.12x = 1,290,716,058,901,425
  5. Step 5: Solve for x
    x = 1,290,716,058,901,425/43,012,293.12
  6. Step 6: Final answer
    x = 30,008,073.63

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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.