Home / 82,746,486.98-114,190,146.61-47,959,355.58

Finding the Fourth Proportional to 82,746,486.98, 114,190,146.61 and 47,959,355.58

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Solution

The fourth proportional to 82,746,486.98, 114,190,146.61 and 47,959,355.58 is: 66,183,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,486.98 : 114,190,146.61 = 47,959,355.58 : x
  2. Step 2: Convert to fraction form
    82,746,486.98/114,190,146.61 = 47,959,355.58/x
  3. Step 3: Cross multiply
    82,746,486.98x = 114,190,146.61 × 47,959,355.58
  4. Step 4: Simplify right side
    82,746,486.98x = 5,476,485,844,881,423
  5. Step 5: Solve for x
    x = 5,476,485,844,881,423/82,746,486.98
  6. Step 6: Final answer
    x = 66,183,907.56

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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.