Home / 85,959,643.44-118,698,038.46-83,179,995.06

Finding the Fourth Proportional to 85,959,643.44, 118,698,038.46 and 83,179,995.06

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Solution

The fourth proportional to 85,959,643.44, 118,698,038.46 and 83,179,995.06 is: 114,859,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,959,643.44 : 118,698,038.46 = 83,179,995.06 : x
  2. Step 2: Convert to fraction form
    85,959,643.44/118,698,038.46 = 83,179,995.06/x
  3. Step 3: Cross multiply
    85,959,643.44x = 118,698,038.46 × 83,179,995.06
  4. Step 4: Simplify right side
    85,959,643.44x = 9,873,302,252,734,490
  5. Step 5: Solve for x
    x = 9,873,302,252,734,490/85,959,643.44
  6. Step 6: Final answer
    x = 114,859,739.50

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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.