Finding the Fourth Proportional to 54,255,143.96, 74,872,187.52 and 29,475,428.12
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Solution
The fourth proportional to 54,255,143.96, 74,872,187.52 and 29,475,428.12 is: 40,676,139.08
Step by Step Solution
- Step 1: Write the proportion equation
54,255,143.96 : 74,872,187.52 = 29,475,428.12 : x - Step 2: Convert to fraction form
54,255,143.96/74,872,187.52 = 29,475,428.12/x - Step 3: Cross multiply
54,255,143.96x = 74,872,187.52 × 29,475,428.12 - Step 4: Simplify right side
54,255,143.96x = 2,206,889,781,432,921 - Step 5: Solve for x
x = 2,206,889,781,432,921/54,255,143.96 - Step 6: Final answer
x = 40,676,139.08
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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.