Home / 201,786,465,763.21-302,679,989,955.45-82,403,790,293.38

Finding the Fourth Proportional to 201,786,465,763.21, 302,679,989,955.45 and 82,403,790,293.38

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Solution

The fourth proportional to 201,786,465,763.21, 302,679,989,955.45 and 82,403,790,293.38 is: 123,605,804,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,786,465,763.21 : 302,679,989,955.45 = 82,403,790,293.38 : x
  2. Step 2: Convert to fraction form
    201,786,465,763.21/302,679,989,955.45 = 82,403,790,293.38/x
  3. Step 3: Cross multiply
    201,786,465,763.21x = 302,679,989,955.45 × 82,403,790,293.38
  4. Step 4: Simplify right side
    201,786,465,763.21x = 24,941,978,418,291,270,483,968
  5. Step 5: Solve for x
    x = 24,941,978,418,291,270,483,968/201,786,465,763.21
  6. Step 6: Final answer
    x = 123,605,804,402.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.