Home / 71,345,055.41-98,457,466.43-40,411,626.29

Finding the Fourth Proportional to 71,345,055.41, 98,457,466.43 and 40,411,626.29

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Solution

The fourth proportional to 71,345,055.41, 98,457,466.43 and 40,411,626.29 is: 55,768,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,345,055.41 : 98,457,466.43 = 40,411,626.29 : x
  2. Step 2: Convert to fraction form
    71,345,055.41/98,457,466.43 = 40,411,626.29/x
  3. Step 3: Cross multiply
    71,345,055.41x = 98,457,466.43 × 40,411,626.29
  4. Step 4: Simplify right side
    71,345,055.41x = 3,978,826,338,873,465.50
  5. Step 5: Solve for x
    x = 3,978,826,338,873,465.50/71,345,055.41
  6. Step 6: Final answer
    x = 55,768,774.95

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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.