Home / 72,372,825.36-99,875,270.28-39,333,076.20

Finding the Fourth Proportional to 72,372,825.36, 99,875,270.28 and 39,333,076.20

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Solution

The fourth proportional to 72,372,825.36, 99,875,270.28 and 39,333,076.20 is: 54,280,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372,825.36 : 99,875,270.28 = 39,333,076.20 : x
  2. Step 2: Convert to fraction form
    72,372,825.36/99,875,270.28 = 39,333,076.20/x
  3. Step 3: Cross multiply
    72,372,825.36x = 99,875,270.28 × 39,333,076.20
  4. Step 4: Simplify right side
    72,372,825.36x = 3,928,401,616,418,835.50
  5. Step 5: Solve for x
    x = 3,928,401,616,418,835.50/72,372,825.36
  6. Step 6: Final answer
    x = 54,280,064.33

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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.