Home / 45,759,646.31-68,639,447.59-11,680,981.25

Finding the Fourth Proportional to 45,759,646.31, 68,639,447.59 and 11,680,981.25

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Solution

The fourth proportional to 45,759,646.31, 68,639,447.59 and 11,680,981.25 is: 17,521,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,759,646.31 : 68,639,447.59 = 11,680,981.25 : x
  2. Step 2: Convert to fraction form
    45,759,646.31/68,639,447.59 = 11,680,981.25/x
  3. Step 3: Cross multiply
    45,759,646.31x = 68,639,447.59 × 11,680,981.25
  4. Step 4: Simplify right side
    45,759,646.31x = 801,776,099,936,748
  5. Step 5: Solve for x
    x = 801,776,099,936,748/45,759,646.31
  6. Step 6: Final answer
    x = 17,521,466.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.