Home / 72,772,772.49-100,435,232.44-41,418,445.13

Finding the Fourth Proportional to 72,772,772.49, 100,435,232.44 and 41,418,445.13

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Solution

The fourth proportional to 72,772,772.49, 100,435,232.44 and 41,418,445.13 is: 57,162,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,772,772.49 : 100,435,232.44 = 41,418,445.13 : x
  2. Step 2: Convert to fraction form
    72,772,772.49/100,435,232.44 = 41,418,445.13/x
  3. Step 3: Cross multiply
    72,772,772.49x = 100,435,232.44 × 41,418,445.13
  4. Step 4: Simplify right side
    72,772,772.49x = 4,159,871,163,861,164.50
  5. Step 5: Solve for x
    x = 4,159,871,163,861,164.50/72,772,772.49
  6. Step 6: Final answer
    x = 57,162,466.42

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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.