Finding the Fourth Proportional to 219,282,905.59, 328,921,258.81 and 53,287,630.62
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Solution
The fourth proportional to 219,282,905.59, 328,921,258.81 and 53,287,630.62 is: 79,930,692.71
Step by Step Solution
- Step 1: Write the proportion equation
219,282,905.59 : 328,921,258.81 = 53,287,630.62 : x - Step 2: Convert to fraction form
219,282,905.59/328,921,258.81 = 53,287,630.62/x - Step 3: Cross multiply
219,282,905.59x = 328,921,258.81 × 53,287,630.62 - Step 4: Simplify right side
219,282,905.59x = 17,527,434,542,532,700 - Step 5: Solve for x
x = 17,527,434,542,532,700/219,282,905.59 - Step 6: Final answer
x = 79,930,692.71
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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.