Finding the Fourth Proportional to 78,697,035.30, 118,045,552.95 and 62,257,793.70
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Solution
The fourth proportional to 78,697,035.30, 118,045,552.95 and 62,257,793.70 is: 93,386,690.55
Step by Step Solution
- Step 1: Write the proportion equation
78,697,035.30 : 118,045,552.95 = 62,257,793.70 : x - Step 2: Convert to fraction form
78,697,035.30/118,045,552.95 = 62,257,793.70/x - Step 3: Cross multiply
78,697,035.30x = 118,045,552.95 × 62,257,793.70 - Step 4: Simplify right side
78,697,035.30x = 7,349,255,682,763,527 - Step 5: Solve for x
x = 7,349,255,682,763,527/78,697,035.30 - Step 6: Final answer
x = 93,386,690.55
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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.