Home / 43,338,688.22-65,030,382.39-20,311,962.08

Finding the Fourth Proportional to 43,338,688.22, 65,030,382.39 and 20,311,962.08

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Solution

The fourth proportional to 43,338,688.22, 65,030,382.39 and 20,311,962.08 is: 30,478,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338,688.22 : 65,030,382.39 = 20,311,962.08 : x
  2. Step 2: Convert to fraction form
    43,338,688.22/65,030,382.39 = 20,311,962.08/x
  3. Step 3: Cross multiply
    43,338,688.22x = 65,030,382.39 × 20,311,962.08
  4. Step 4: Simplify right side
    43,338,688.22x = 1,320,894,661,153,579.75
  5. Step 5: Solve for x
    x = 1,320,894,661,153,579.75/43,338,688.22
  6. Step 6: Final answer
    x = 30,478,418.14

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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.