Finding the Fourth Proportional to 124,255,239.93, 171,478,069.52 and 69,251,490.09
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Solution
The fourth proportional to 124,255,239.93, 171,478,069.52 and 69,251,490.09 is: 95,570,310.26
Step by Step Solution
- Step 1: Write the proportion equation
124,255,239.93 : 171,478,069.52 = 69,251,490.09 : x - Step 2: Convert to fraction form
124,255,239.93/171,478,069.52 = 69,251,490.09/x - Step 3: Cross multiply
124,255,239.93x = 171,478,069.52 × 69,251,490.09 - Step 4: Simplify right side
124,255,239.93x = 11,875,111,831,670,354 - Step 5: Solve for x
x = 11,875,111,831,670,354/124,255,239.93 - Step 6: Final answer
x = 95,570,310.26
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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.