Finding the Fourth Proportional to 71,726,579.84, 107,589,499.84 and 28,011,774.08
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Solution
The fourth proportional to 71,726,579.84, 107,589,499.84 and 28,011,774.08 is: 42,017,516.65
Step by Step Solution
- Step 1: Write the proportion equation
71,726,579.84 : 107,589,499.84 = 28,011,774.08 : x - Step 2: Convert to fraction form
71,726,579.84/107,589,499.84 = 28,011,774.08/x - Step 3: Cross multiply
71,726,579.84x = 107,589,499.84 × 28,011,774.08 - Step 4: Simplify right side
71,726,579.84x = 3,013,772,762,898,276 - Step 5: Solve for x
x = 3,013,772,762,898,276/71,726,579.84 - Step 6: Final answer
x = 42,017,516.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.