Home / 71,272,241.88-98,355,756.78-38,677,193.88

Finding the Fourth Proportional to 71,272,241.88, 98,355,756.78 and 38,677,193.88

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Solution

The fourth proportional to 71,272,241.88, 98,355,756.78 and 38,677,193.88 is: 53,374,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272,241.88 : 98,355,756.78 = 38,677,193.88 : x
  2. Step 2: Convert to fraction form
    71,272,241.88/98,355,756.78 = 38,677,193.88/x
  3. Step 3: Cross multiply
    71,272,241.88x = 98,355,756.78 × 38,677,193.88
  4. Step 4: Simplify right side
    71,272,241.88x = 3,804,124,674,194,185
  5. Step 5: Solve for x
    x = 3,804,124,674,194,185/71,272,241.88
  6. Step 6: Final answer
    x = 53,374,561.73

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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.