Home / 68,170,103.28-94,077,064.04-40,316,690

Finding the Fourth Proportional to 68,170,103.28, 94,077,064.04 and 40,316,690

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Solution

The fourth proportional to 68,170,103.28, 94,077,064.04 and 40,316,690 is: 55,638,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,103.28 : 94,077,064.04 = 40,316,690 : x
  2. Step 2: Convert to fraction form
    68,170,103.28/94,077,064.04 = 40,316,690/x
  3. Step 3: Cross multiply
    68,170,103.28x = 94,077,064.04 × 40,316,690
  4. Step 4: Simplify right side
    68,170,103.28x = 3,792,875,827,010,828
  5. Step 5: Solve for x
    x = 3,792,875,827,010,828/68,170,103.28
  6. Step 6: Final answer
    x = 55,638,405.17

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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.