Finding the Fourth Proportional to 79,779,279.79, 119,423,477.46 and 52,053,496.84
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Solution
The fourth proportional to 79,779,279.79, 119,423,477.46 and 52,053,496.84 is: 77,920,101.85
Step by Step Solution
- Step 1: Write the proportion equation
79,779,279.79 : 119,423,477.46 = 52,053,496.84 : x - Step 2: Convert to fraction form
79,779,279.79/119,423,477.46 = 52,053,496.84/x - Step 3: Cross multiply
79,779,279.79x = 119,423,477.46 × 52,053,496.84 - Step 4: Simplify right side
79,779,279.79x = 6,216,409,606,585,921 - Step 5: Solve for x
x = 6,216,409,606,585,921/79,779,279.79 - Step 6: Final answer
x = 77,920,101.85
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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.