Finding the Fourth Proportional to 106,596,408.20, 159,894,612.30 and 98,943,657.80
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Solution
The fourth proportional to 106,596,408.20, 159,894,612.30 and 98,943,657.80 is: 148,415,486.70
Step by Step Solution
- Step 1: Write the proportion equation
106,596,408.20 : 159,894,612.30 = 98,943,657.80 : x - Step 2: Convert to fraction form
106,596,408.20/159,894,612.30 = 98,943,657.80/x - Step 3: Cross multiply
106,596,408.20x = 159,894,612.30 × 98,943,657.80 - Step 4: Simplify right side
106,596,408.20x = 15,820,557,803,474,872 - Step 5: Solve for x
x = 15,820,557,803,474,872/106,596,408.20 - Step 6: Final answer
x = 148,415,486.70
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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.