Home / 45,821,518.21-68,686,877.25-21,516,937.51

Finding the Fourth Proportional to 45,821,518.21, 68,686,877.25 and 21,516,937.51

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Solution

The fourth proportional to 45,821,518.21, 68,686,877.25 and 21,516,937.51 is: 32,254,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821,518.21 : 68,686,877.25 = 21,516,937.51 : x
  2. Step 2: Convert to fraction form
    45,821,518.21/68,686,877.25 = 21,516,937.51/x
  3. Step 3: Cross multiply
    45,821,518.21x = 68,686,877.25 × 21,516,937.51
  4. Step 4: Simplify right side
    45,821,518.21x = 1,477,931,245,437,706.25
  5. Step 5: Solve for x
    x = 1,477,931,245,437,706.25/45,821,518.21
  6. Step 6: Final answer
    x = 32,254,087.23

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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.