Finding the Fourth Proportional to 79,377,173.84, 109,539,106.44 and 44,570,138.96
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Solution
The fourth proportional to 79,377,173.84, 109,539,106.44 and 44,570,138.96 is: 61,506,009.34
Step by Step Solution
- Step 1: Write the proportion equation
79,377,173.84 : 109,539,106.44 = 44,570,138.96 : x - Step 2: Convert to fraction form
79,377,173.84/109,539,106.44 = 44,570,138.96/x - Step 3: Cross multiply
79,377,173.84x = 109,539,106.44 × 44,570,138.96 - Step 4: Simplify right side
79,377,173.84x = 4,882,173,195,585,031 - Step 5: Solve for x
x = 4,882,173,195,585,031/79,377,173.84 - Step 6: Final answer
x = 61,506,009.34
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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.