Home / 71,284,679.04-98,355,996.99-40,344,848.22

Finding the Fourth Proportional to 71,284,679.04, 98,355,996.99 and 40,344,848.22

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Solution

The fourth proportional to 71,284,679.04, 98,355,996.99 and 40,344,848.22 is: 55,666,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,284,679.04 : 98,355,996.99 = 40,344,848.22 : x
  2. Step 2: Convert to fraction form
    71,284,679.04/98,355,996.99 = 40,344,848.22/x
  3. Step 3: Cross multiply
    71,284,679.04x = 98,355,996.99 × 40,344,848.22
  4. Step 4: Simplify right side
    71,284,679.04x = 3,968,157,770,088,326.50
  5. Step 5: Solve for x
    x = 3,968,157,770,088,326.50/71,284,679.04
  6. Step 6: Final answer
    x = 55,666,348.27

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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.