Finding the Fourth Proportional to 49,768,320.15, 68,679,298.98 and 27,740,506.23
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Solution
The fourth proportional to 49,768,320.15, 68,679,298.98 and 27,740,506.23 is: 38,281,350.78
Step by Step Solution
- Step 1: Write the proportion equation
49,768,320.15 : 68,679,298.98 = 27,740,506.23 : x - Step 2: Convert to fraction form
49,768,320.15/68,679,298.98 = 27,740,506.23/x - Step 3: Cross multiply
49,768,320.15x = 68,679,298.98 × 27,740,506.23 - Step 4: Simplify right side
49,768,320.15x = 1,905,198,521,226,722.75 - Step 5: Solve for x
x = 1,905,198,521,226,722.75/49,768,320.15 - Step 6: Final answer
x = 38,281,350.78
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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.