Finding the Fourth Proportional to 79,678,746.60, 119,574,107.10 and 50,994,637.80
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Solution
The fourth proportional to 79,678,746.60, 119,574,107.10 and 50,994,637.80 is: 76,527,788.68
Step by Step Solution
- Step 1: Write the proportion equation
79,678,746.60 : 119,574,107.10 = 50,994,637.80 : x - Step 2: Convert to fraction form
79,678,746.60/119,574,107.10 = 50,994,637.80/x - Step 3: Cross multiply
79,678,746.60x = 119,574,107.10 × 50,994,637.80 - Step 4: Simplify right side
79,678,746.60x = 6,097,638,281,822,908 - Step 5: Solve for x
x = 6,097,638,281,822,908/79,678,746.60 - Step 6: Final answer
x = 76,527,788.68
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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.