Home / 77,983,498.20-107,624,448.96-43,176,189.28

Finding the Fourth Proportional to 77,983,498.20, 107,624,448.96 and 43,176,189.28

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Solution

The fourth proportional to 77,983,498.20, 107,624,448.96 and 43,176,189.28 is: 59,587,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,983,498.20 : 107,624,448.96 = 43,176,189.28 : x
  2. Step 2: Convert to fraction form
    77,983,498.20/107,624,448.96 = 43,176,189.28/x
  3. Step 3: Cross multiply
    77,983,498.20x = 107,624,448.96 × 43,176,189.28
  4. Step 4: Simplify right side
    77,983,498.20x = 4,646,813,579,452,659
  5. Step 5: Solve for x
    x = 4,646,813,579,452,659/77,983,498.20
  6. Step 6: Final answer
    x = 59,587,139.42

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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.