Home / 47,458,152.95-71,148,920.43-43,627,457.49

Finding the Fourth Proportional to 47,458,152.95, 71,148,920.43 and 43,627,457.49

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Solution

The fourth proportional to 47,458,152.95, 71,148,920.43 and 43,627,457.49 is: 65,405,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,458,152.95 : 71,148,920.43 = 43,627,457.49 : x
  2. Step 2: Convert to fraction form
    47,458,152.95/71,148,920.43 = 43,627,457.49/x
  3. Step 3: Cross multiply
    47,458,152.95x = 71,148,920.43 × 43,627,457.49
  4. Step 4: Simplify right side
    47,458,152.95x = 3,104,046,501,519,218
  5. Step 5: Solve for x
    x = 3,104,046,501,519,218/47,458,152.95
  6. Step 6: Final answer
    x = 65,405,969.44

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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.