Home / 72,215,428.21-99,657,290.93-41,276,261.79

Finding the Fourth Proportional to 72,215,428.21, 99,657,290.93 and 41,276,261.79

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Solution

The fourth proportional to 72,215,428.21, 99,657,290.93 and 41,276,261.79 is: 56,961,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,428.21 : 99,657,290.93 = 41,276,261.79 : x
  2. Step 2: Convert to fraction form
    72,215,428.21/99,657,290.93 = 41,276,261.79/x
  3. Step 3: Cross multiply
    72,215,428.21x = 99,657,290.93 × 41,276,261.79
  4. Step 4: Simplify right side
    72,215,428.21x = 4,113,480,429,708,873
  5. Step 5: Solve for x
    x = 4,113,480,429,708,873/72,215,428.21
  6. Step 6: Final answer
    x = 56,961,241.27

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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.