Home / 77,403,497.47-106,792,778.72-43,907,456.03

Finding the Fourth Proportional to 77,403,497.47, 106,792,778.72 and 43,907,456.03

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Solution

The fourth proportional to 77,403,497.47, 106,792,778.72 and 43,907,456.03 is: 60,578,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403,497.47 : 106,792,778.72 = 43,907,456.03 : x
  2. Step 2: Convert to fraction form
    77,403,497.47/106,792,778.72 = 43,907,456.03/x
  3. Step 3: Cross multiply
    77,403,497.47x = 106,792,778.72 × 43,907,456.03
  4. Step 4: Simplify right side
    77,403,497.47x = 4,688,999,235,545,724
  5. Step 5: Solve for x
    x = 4,688,999,235,545,724/77,403,497.47
  6. Step 6: Final answer
    x = 60,578,648.11

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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.