Finding the Fourth Proportional to 78,452,051.13, 108,264,810.02 and 43,173,914.99
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Solution
The fourth proportional to 78,452,051.13, 108,264,810.02 and 43,173,914.99 is: 59,580,541.70
Step by Step Solution
- Step 1: Write the proportion equation
78,452,051.13 : 108,264,810.02 = 43,173,914.99 : x - Step 2: Convert to fraction form
78,452,051.13/108,264,810.02 = 43,173,914.99/x - Step 3: Cross multiply
78,452,051.13x = 108,264,810.02 × 43,173,914.99 - Step 4: Simplify right side
78,452,051.13x = 4,674,215,703,454,787 - Step 5: Solve for x
x = 4,674,215,703,454,787/78,452,051.13 - Step 6: Final answer
x = 59,580,541.70
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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.