Finding the Fourth Proportional to 149,781,844.14, 206,699,224.98 and 83,702,342.47
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Solution
The fourth proportional to 149,781,844.14, 206,699,224.98 and 83,702,342.47 is: 115,509,389.12
Step by Step Solution
- Step 1: Write the proportion equation
149,781,844.14 : 206,699,224.98 = 83,702,342.47 : x - Step 2: Convert to fraction form
149,781,844.14/206,699,224.98 = 83,702,342.47/x - Step 3: Cross multiply
149,781,844.14x = 206,699,224.98 × 83,702,342.47 - Step 4: Simplify right side
149,781,844.14x = 17,301,209,317,559,538 - Step 5: Solve for x
x = 17,301,209,317,559,538/149,781,844.14 - Step 6: Final answer
x = 115,509,389.12
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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.