Finding the Fourth Proportional to 102,595,457.19, 141,578,988.38 and 58,541,655.63
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Solution
The fourth proportional to 102,595,457.19, 141,578,988.38 and 58,541,655.63 is: 80,785,919.85
Step by Step Solution
- Step 1: Write the proportion equation
102,595,457.19 : 141,578,988.38 = 58,541,655.63 : x - Step 2: Convert to fraction form
102,595,457.19/141,578,988.38 = 58,541,655.63/x - Step 3: Cross multiply
102,595,457.19x = 141,578,988.38 × 58,541,655.63 - Step 4: Simplify right side
102,595,457.19x = 8,288,268,381,893,024 - Step 5: Solve for x
x = 8,288,268,381,893,024/102,595,457.19 - Step 6: Final answer
x = 80,785,919.85
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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.