Finding the Fourth Proportional to 39,148,625.70, 58,722,938.55 and 39,148,625.70
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Solution
The fourth proportional to 39,148,625.70, 58,722,938.55 and 39,148,625.70 is: 58,722,938.55
Step by Step Solution
- Step 1: Write the proportion equation
39,148,625.70 : 58,722,938.55 = 39,148,625.70 : x - Step 2: Convert to fraction form
39,148,625.70/58,722,938.55 = 39,148,625.70/x - Step 3: Cross multiply
39,148,625.70x = 58,722,938.55 × 39,148,625.70 - Step 4: Simplify right side
39,148,625.70x = 2,298,922,341,298,051 - Step 5: Solve for x
x = 2,298,922,341,298,051/39,148,625.70 - Step 6: Final answer
x = 58,722,938.55
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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.