Finding the Fourth Proportional to 79,569,351.02, 109,746,514.44 and 70,260,497.70
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Solution
The fourth proportional to 79,569,351.02, 109,746,514.44 and 70,260,497.70 is: 96,907,221.52
Step by Step Solution
- Step 1: Write the proportion equation
79,569,351.02 : 109,746,514.44 = 70,260,497.70 : x - Step 2: Convert to fraction form
79,569,351.02/109,746,514.44 = 70,260,497.70/x - Step 3: Cross multiply
79,569,351.02x = 109,746,514.44 × 70,260,497.70 - Step 4: Simplify right side
79,569,351.02x = 7,710,844,725,394,637 - Step 5: Solve for x
x = 7,710,844,725,394,637/79,569,351.02 - Step 6: Final answer
x = 96,907,221.52
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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.