Home / 71,284,681.04-98,355,999.75-40,344,850.22

Finding the Fourth Proportional to 71,284,681.04, 98,355,999.75 and 40,344,850.22

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Solution

The fourth proportional to 71,284,681.04, 98,355,999.75 and 40,344,850.22 is: 55,666,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,284,681.04 : 98,355,999.75 = 40,344,850.22 : x
  2. Step 2: Convert to fraction form
    71,284,681.04/98,355,999.75 = 40,344,850.22/x
  3. Step 3: Cross multiply
    71,284,681.04x = 98,355,999.75 × 40,344,850.22
  4. Step 4: Simplify right side
    71,284,681.04x = 3,968,158,078,152,107.50
  5. Step 5: Solve for x
    x = 3,968,158,078,152,107.50/71,284,681.04
  6. Step 6: Final answer
    x = 55,666,351.03

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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.