Finding the Fourth Proportional to 96,671,802.80, 145,007,704.20 and 58,451,207.60
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Solution
The fourth proportional to 96,671,802.80, 145,007,704.20 and 58,451,207.60 is: 87,676,811.40
Step by Step Solution
- Step 1: Write the proportion equation
96,671,802.80 : 145,007,704.20 = 58,451,207.60 : x - Step 2: Convert to fraction form
96,671,802.80/145,007,704.20 = 58,451,207.60/x - Step 3: Cross multiply
96,671,802.80x = 145,007,704.20 × 58,451,207.60 - Step 4: Simplify right side
96,671,802.80x = 8,475,875,421,793,591 - Step 5: Solve for x
x = 8,475,875,421,793,591/96,671,802.80 - Step 6: Final answer
x = 87,676,811.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.