Finding the Fourth Proportional to 76,426,017.99, 105,453,894.66 and 45,073,877.63
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Solution
The fourth proportional to 76,426,017.99, 105,453,894.66 and 45,073,877.63 is: 62,193,688.33
Step by Step Solution
- Step 1: Write the proportion equation
76,426,017.99 : 105,453,894.66 = 45,073,877.63 : x - Step 2: Convert to fraction form
76,426,017.99/105,453,894.66 = 45,073,877.63/x - Step 3: Cross multiply
76,426,017.99x = 105,453,894.66 × 45,073,877.63 - Step 4: Simplify right side
76,426,017.99x = 4,753,215,942,815,454 - Step 5: Solve for x
x = 4,753,215,942,815,454/76,426,017.99 - Step 6: Final answer
x = 62,193,688.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.