Home / 78,732,721.26-108,651,222.99-43,925,417.06

Finding the Fourth Proportional to 78,732,721.26, 108,651,222.99 and 43,925,417.06

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Solution

The fourth proportional to 78,732,721.26, 108,651,222.99 and 43,925,417.06 is: 60,617,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,721.26 : 108,651,222.99 = 43,925,417.06 : x
  2. Step 2: Convert to fraction form
    78,732,721.26/108,651,222.99 = 43,925,417.06/x
  3. Step 3: Cross multiply
    78,732,721.26x = 108,651,222.99 × 43,925,417.06
  4. Step 4: Simplify right side
    78,732,721.26x = 4,772,550,283,371,554
  5. Step 5: Solve for x
    x = 4,772,550,283,371,554/78,732,721.26
  6. Step 6: Final answer
    x = 60,617,113.28

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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.