Home / 201,786,465,786.48-302,679,989,990.40-82,403,790,316.66

Finding the Fourth Proportional to 201,786,465,786.48, 302,679,989,990.40 and 82,403,790,316.66

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Solution

The fourth proportional to 201,786,465,786.48, 302,679,989,990.40 and 82,403,790,316.66 is: 123,605,804,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,786,465,786.48 : 302,679,989,990.40 = 82,403,790,316.66 : x
  2. Step 2: Convert to fraction form
    201,786,465,786.48/302,679,989,990.40 = 82,403,790,316.66/x
  3. Step 3: Cross multiply
    201,786,465,786.48x = 302,679,989,990.40 × 82,403,790,316.66
  4. Step 4: Simplify right side
    201,786,465,786.48x = 24,941,978,428,217,673,908,224
  5. Step 5: Solve for x
    x = 24,941,978,428,217,673,908,224/201,786,465,786.48
  6. Step 6: Final answer
    x = 123,605,804,437.90

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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.