Home / 201,868,509,699.20-302,803,277,410.43-82,485,834,386.96

Finding the Fourth Proportional to 201,868,509,699.20, 302,803,277,410.43 and 82,485,834,386.96

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Solution

The fourth proportional to 201,868,509,699.20, 302,803,277,410.43 and 82,485,834,386.96 is: 123,728,961,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,868,509,699.20 : 302,803,277,410.43 = 82,485,834,386.96 : x
  2. Step 2: Convert to fraction form
    201,868,509,699.20/302,803,277,410.43 = 82,485,834,386.96/x
  3. Step 3: Cross multiply
    201,868,509,699.20x = 302,803,277,410.43 × 82,485,834,386.96
  4. Step 4: Simplify right side
    201,868,509,699.20x = 24,976,980,992,305,437,605,888
  5. Step 5: Solve for x
    x = 24,976,980,992,305,437,605,888/201,868,509,699.20
  6. Step 6: Final answer
    x = 123,728,961,141.70

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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.