Finding the Fourth Proportional to 135,988,441.04, 187,659,282.12 and 74,107,516.88
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Solution
The fourth proportional to 135,988,441.04, 187,659,282.12 and 74,107,516.88 is: 102,265,775.76
Step by Step Solution
- Step 1: Write the proportion equation
135,988,441.04 : 187,659,282.12 = 74,107,516.88 : x - Step 2: Convert to fraction form
135,988,441.04/187,659,282.12 = 74,107,516.88/x - Step 3: Cross multiply
135,988,441.04x = 187,659,282.12 × 74,107,516.88 - Step 4: Simplify right side
135,988,441.04x = 13,906,963,417,396,582 - Step 5: Solve for x
x = 13,906,963,417,396,582/135,988,441.04 - Step 6: Final answer
x = 102,265,775.76
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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.