Home / 68,170,115.78-94,077,081.01-40,316,702.48

Finding the Fourth Proportional to 68,170,115.78, 94,077,081.01 and 40,316,702.48

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Solution

The fourth proportional to 68,170,115.78, 94,077,081.01 and 40,316,702.48 is: 55,638,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,115.78 : 94,077,081.01 = 40,316,702.48 : x
  2. Step 2: Convert to fraction form
    68,170,115.78/94,077,081.01 = 40,316,702.48/x
  3. Step 3: Cross multiply
    68,170,115.78x = 94,077,081.01 × 40,316,702.48
  4. Step 4: Simplify right side
    68,170,115.78x = 3,792,877,684,796,643
  5. Step 5: Solve for x
    x = 3,792,877,684,796,643/68,170,115.78
  6. Step 6: Final answer
    x = 55,638,422.23

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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.