Finding the Fourth Proportional to 88,749,623.43, 122,486,646.96 and 51,072,013.08
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Solution
The fourth proportional to 88,749,623.43, 122,486,646.96 and 51,072,013.08 is: 70,486,379.48
Step by Step Solution
- Step 1: Write the proportion equation
88,749,623.43 : 122,486,646.96 = 51,072,013.08 : x - Step 2: Convert to fraction form
88,749,623.43/122,486,646.96 = 51,072,013.08/x - Step 3: Cross multiply
88,749,623.43x = 122,486,646.96 × 51,072,013.08 - Step 4: Simplify right side
88,749,623.43x = 6,255,639,635,666,462 - Step 5: Solve for x
x = 6,255,639,635,666,462/88,749,623.43 - Step 6: Final answer
x = 70,486,379.48
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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.