Home / 152,243,049.69-210,095,616.47-82,628,431.53

Finding the Fourth Proportional to 152,243,049.69, 210,095,616.47 and 82,628,431.53

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Solution

The fourth proportional to 152,243,049.69, 210,095,616.47 and 82,628,431.53 is: 114,027,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243,049.69 : 210,095,616.47 = 82,628,431.53 : x
  2. Step 2: Convert to fraction form
    152,243,049.69/210,095,616.47 = 82,628,431.53/x
  3. Step 3: Cross multiply
    152,243,049.69x = 210,095,616.47 × 82,628,431.53
  4. Step 4: Simplify right side
    152,243,049.69x = 17,359,871,259,831,394
  5. Step 5: Solve for x
    x = 17,359,871,259,831,394/152,243,049.69
  6. Step 6: Final answer
    x = 114,027,348.34

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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.