Finding the Fourth Proportional to 99,613,685.41, 149,465,928.80 and 51,125,589.61
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Solution
The fourth proportional to 99,613,685.41, 149,465,928.80 and 51,125,589.61 is: 76,711,685.80
Step by Step Solution
- Step 1: Write the proportion equation
99,613,685.41 : 149,465,928.80 = 51,125,589.61 : x - Step 2: Convert to fraction form
99,613,685.41/149,465,928.80 = 51,125,589.61/x - Step 3: Cross multiply
99,613,685.41x = 149,465,928.80 × 51,125,589.61 - Step 4: Simplify right side
99,613,685.41x = 7,641,533,736,506,280 - Step 5: Solve for x
x = 7,641,533,736,506,280/99,613,685.41 - Step 6: Final answer
x = 76,711,685.80
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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.