Home / 125,639,978,999.93-173,382,934,912.47-68,547,328,171.23

Finding the Fourth Proportional to 125,639,978,999.93, 173,382,934,912.47 and 68,547,328,171.23

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Solution

The fourth proportional to 125,639,978,999.93, 173,382,934,912.47 and 68,547,328,171.23 is: 94,595,184,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639,978,999.93 : 173,382,934,912.47 = 68,547,328,171.23 : x
  2. Step 2: Convert to fraction form
    125,639,978,999.93/173,382,934,912.47 = 68,547,328,171.23/x
  3. Step 3: Cross multiply
    125,639,978,999.93x = 173,382,934,912.47 × 68,547,328,171.23
  4. Step 4: Simplify right side
    125,639,978,999.93x = 11,884,936,938,736,094,019,584
  5. Step 5: Solve for x
    x = 11,884,936,938,736,094,019,584/125,639,978,999.93
  6. Step 6: Final answer
    x = 94,595,184,059.55

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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.