Finding the Fourth Proportional to 86,036,881.36, 118,729,396.74 and 46,878,980.08
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Solution
The fourth proportional to 86,036,881.36, 118,729,396.74 and 46,878,980.08 is: 64,692,175.46
Step by Step Solution
- Step 1: Write the proportion equation
86,036,881.36 : 118,729,396.74 = 46,878,980.08 : x - Step 2: Convert to fraction form
86,036,881.36/118,729,396.74 = 46,878,980.08/x - Step 3: Cross multiply
86,036,881.36x = 118,729,396.74 × 46,878,980.08 - Step 4: Simplify right side
86,036,881.36x = 5,565,913,024,684,876 - Step 5: Solve for x
x = 5,565,913,024,684,876/86,036,881.36 - Step 6: Final answer
x = 64,692,175.46
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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.