Finding the Fourth Proportional to 88,387,487.73, 121,953,220.65 and 58,208,869.67
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Solution
The fourth proportional to 88,387,487.73, 121,953,220.65 and 58,208,869.67 is: 80,314,072.82
Step by Step Solution
- Step 1: Write the proportion equation
88,387,487.73 : 121,953,220.65 = 58,208,869.67 : x - Step 2: Convert to fraction form
88,387,487.73/121,953,220.65 = 58,208,869.67/x - Step 3: Cross multiply
88,387,487.73x = 121,953,220.65 × 58,208,869.67 - Step 4: Simplify right side
88,387,487.73x = 7,098,759,126,042,837 - Step 5: Solve for x
x = 7,098,759,126,042,837/88,387,487.73 - Step 6: Final answer
x = 80,314,072.82
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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.