Home / 103,963,568.31-143,464,040.39-56,911,539.51

Finding the Fourth Proportional to 103,963,568.31, 143,464,040.39 and 56,911,539.51

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Solution

The fourth proportional to 103,963,568.31, 143,464,040.39 and 56,911,539.51 is: 78,534,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963,568.31 : 143,464,040.39 = 56,911,539.51 : x
  2. Step 2: Convert to fraction form
    103,963,568.31/143,464,040.39 = 56,911,539.51/x
  3. Step 3: Cross multiply
    103,963,568.31x = 143,464,040.39 × 56,911,539.51
  4. Step 4: Simplify right side
    103,963,568.31x = 8,164,759,403,062,000
  5. Step 5: Solve for x
    x = 8,164,759,403,062,000/103,963,568.31
  6. Step 6: Final answer
    x = 78,534,813.07

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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.