Finding the Fourth Proportional to 79,921,852.61, 110,292,155.26 and 43,252,423.61
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Solution
The fourth proportional to 79,921,852.61, 110,292,155.26 and 43,252,423.61 is: 59,688,343.85
Step by Step Solution
- Step 1: Write the proportion equation
79,921,852.61 : 110,292,155.26 = 43,252,423.61 : x - Step 2: Convert to fraction form
79,921,852.61/110,292,155.26 = 43,252,423.61/x - Step 3: Cross multiply
79,921,852.61x = 110,292,155.26 × 43,252,423.61 - Step 4: Simplify right side
79,921,852.61x = 4,770,403,019,505,817 - Step 5: Solve for x
x = 4,770,403,019,505,817/79,921,852.61 - Step 6: Final answer
x = 59,688,343.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.