Home / 72,772,799.79-100,435,270.07-41,418,472.53

Finding the Fourth Proportional to 72,772,799.79, 100,435,270.07 and 41,418,472.53

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Solution

The fourth proportional to 72,772,799.79, 100,435,270.07 and 41,418,472.53 is: 57,162,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,772,799.79 : 100,435,270.07 = 41,418,472.53 : x
  2. Step 2: Convert to fraction form
    72,772,799.79/100,435,270.07 = 41,418,472.53/x
  3. Step 3: Cross multiply
    72,772,799.79x = 100,435,270.07 × 41,418,472.53
  4. Step 4: Simplify right side
    72,772,799.79x = 4,159,875,474,230,334
  5. Step 5: Solve for x
    x = 4,159,875,474,230,334/72,772,799.79
  6. Step 6: Final answer
    x = 57,162,504.21

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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.