Finding the Fourth Proportional to 153,523,931.05, 230,251,944.60 and 44,325,358.93
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Solution
The fourth proportional to 153,523,931.05, 230,251,944.60 and 44,325,358.93 is: 66,478,235.80
Step by Step Solution
- Step 1: Write the proportion equation
153,523,931.05 : 230,251,944.60 = 44,325,358.93 : x - Step 2: Convert to fraction form
153,523,931.05/230,251,944.60 = 44,325,358.93/x - Step 3: Cross multiply
153,523,931.05x = 230,251,944.60 × 44,325,358.93 - Step 4: Simplify right side
153,523,931.05x = 10,206,000,088,725,474 - Step 5: Solve for x
x = 10,206,000,088,725,474/153,523,931.05 - Step 6: Final answer
x = 66,478,235.80
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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.