Home / 99,400,643.70-149,100,965.55-26,628,656.10

Finding the Fourth Proportional to 99,400,643.70, 149,100,965.55 and 26,628,656.10

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Solution

The fourth proportional to 99,400,643.70, 149,100,965.55 and 26,628,656.10 is: 39,942,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400,643.70 : 149,100,965.55 = 26,628,656.10 : x
  2. Step 2: Convert to fraction form
    99,400,643.70/149,100,965.55 = 26,628,656.10/x
  3. Step 3: Cross multiply
    99,400,643.70x = 149,100,965.55 × 26,628,656.10
  4. Step 4: Simplify right side
    99,400,643.70x = 3,970,358,335,808,898
  5. Step 5: Solve for x
    x = 3,970,358,335,808,898/99,400,643.70
  6. Step 6: Final answer
    x = 39,942,984.15

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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.