Home / 77,983,481.68-107,624,426.16-43,176,172.68

Finding the Fourth Proportional to 77,983,481.68, 107,624,426.16 and 43,176,172.68

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Solution

The fourth proportional to 77,983,481.68, 107,624,426.16 and 43,176,172.68 is: 59,587,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,983,481.68 : 107,624,426.16 = 43,176,172.68 : x
  2. Step 2: Convert to fraction form
    77,983,481.68/107,624,426.16 = 43,176,172.68/x
  3. Step 3: Cross multiply
    77,983,481.68x = 107,624,426.16 × 43,176,172.68
  4. Step 4: Simplify right side
    77,983,481.68x = 4,646,810,808,470,069
  5. Step 5: Solve for x
    x = 4,646,810,808,470,069/77,983,481.68
  6. Step 6: Final answer
    x = 59,587,116.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.