Finding the Fourth Proportional to 78,894,244.80, 118,341,367.20 and 64,545,337.80
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Solution
The fourth proportional to 78,894,244.80, 118,341,367.20 and 64,545,337.80 is: 96,818,006.70
Step by Step Solution
- Step 1: Write the proportion equation
78,894,244.80 : 118,341,367.20 = 64,545,337.80 : x - Step 2: Convert to fraction form
78,894,244.80/118,341,367.20 = 64,545,337.80/x - Step 3: Cross multiply
78,894,244.80x = 118,341,367.20 × 64,545,337.80 - Step 4: Simplify right side
78,894,244.80x = 7,638,383,521,637,840 - Step 5: Solve for x
x = 7,638,383,521,637,840/78,894,244.80 - Step 6: Final answer
x = 96,818,006.70
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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.