Finding the Fourth Proportional to 93,560,253.30, 129,106,595.11 and 54,399,251.75
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Solution
The fourth proportional to 93,560,253.30, 129,106,595.11 and 54,399,251.75 is: 75,067,156.43
Step by Step Solution
- Step 1: Write the proportion equation
93,560,253.30 : 129,106,595.11 = 54,399,251.75 : x - Step 2: Convert to fraction form
93,560,253.30/129,106,595.11 = 54,399,251.75/x - Step 3: Cross multiply
93,560,253.30x = 129,106,595.11 × 54,399,251.75 - Step 4: Simplify right side
93,560,253.30x = 7,023,302,169,974,209 - Step 5: Solve for x
x = 7,023,302,169,974,209/93,560,253.30 - Step 6: Final answer
x = 75,067,156.43
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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.