Home / 76,477,708.54-105,539,252.94-41,670,398.87

Finding the Fourth Proportional to 76,477,708.54, 105,539,252.94 and 41,670,398.87

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Solution

The fourth proportional to 76,477,708.54, 105,539,252.94 and 41,670,398.87 is: 57,505,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,708.54 : 105,539,252.94 = 41,670,398.87 : x
  2. Step 2: Convert to fraction form
    76,477,708.54/105,539,252.94 = 41,670,398.87/x
  3. Step 3: Cross multiply
    76,477,708.54x = 105,539,252.94 × 41,670,398.87
  4. Step 4: Simplify right side
    76,477,708.54x = 4,397,862,766,319,696
  5. Step 5: Solve for x
    x = 4,397,862,766,319,696/76,477,708.54
  6. Step 6: Final answer
    x = 57,505,158.70

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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.