Finding the Fourth Proportional to 232,538,480.64, 348,796,126.44 and 86,961,339.60
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Solution
The fourth proportional to 232,538,480.64, 348,796,126.44 and 86,961,339.60 is: 130,437,673.45
Step by Step Solution
- Step 1: Write the proportion equation
232,538,480.64 : 348,796,126.44 = 86,961,339.60 : x - Step 2: Convert to fraction form
232,538,480.64/348,796,126.44 = 86,961,339.60/x - Step 3: Cross multiply
232,538,480.64x = 348,796,126.44 × 86,961,339.60 - Step 4: Simplify right side
232,538,480.64x = 30,331,778,402,513,376 - Step 5: Solve for x
x = 30,331,778,402,513,376/232,538,480.64 - Step 6: Final answer
x = 130,437,673.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.