Finding the Fourth Proportional to 76,968,999, 106,218,929.34 and 43,928,587.08
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Solution
The fourth proportional to 76,968,999, 106,218,929.34 and 43,928,587.08 is: 60,622,426.53
Step by Step Solution
- Step 1: Write the proportion equation
76,968,999 : 106,218,929.34 = 43,928,587.08 : x - Step 2: Convert to fraction form
76,968,999/106,218,929.34 = 43,928,587.08/x - Step 3: Cross multiply
76,968,999x = 106,218,929.34 × 43,928,587.08 - Step 4: Simplify right side
76,968,999x = 4,666,047,487,056,557 - Step 5: Solve for x
x = 4,666,047,487,056,557/76,968,999 - Step 6: Final answer
x = 60,622,426.53
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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.