Finding the Fourth Proportional to 88,101,697.34, 121,591,552.05 and 53,294,636.87
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Solution
The fourth proportional to 88,101,697.34, 121,591,552.05 and 53,294,636.87 is: 73,553,379.89
Step by Step Solution
- Step 1: Write the proportion equation
88,101,697.34 : 121,591,552.05 = 53,294,636.87 : x - Step 2: Convert to fraction form
88,101,697.34/121,591,552.05 = 53,294,636.87/x - Step 3: Cross multiply
88,101,697.34x = 121,591,552.05 × 53,294,636.87 - Step 4: Simplify right side
88,101,697.34x = 6,480,177,612,697,981 - Step 5: Solve for x
x = 6,480,177,612,697,981/88,101,697.34 - Step 6: Final answer
x = 73,553,379.89
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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.