Finding the Fourth Proportional to 63,282,228.84, 87,343,134.98 and 38,510,396.96
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Solution
The fourth proportional to 63,282,228.84, 87,343,134.98 and 38,510,396.96 is: 53,152,660.10
Step by Step Solution
- Step 1: Write the proportion equation
63,282,228.84 : 87,343,134.98 = 38,510,396.96 : x - Step 2: Convert to fraction form
63,282,228.84/87,343,134.98 = 38,510,396.96/x - Step 3: Cross multiply
63,282,228.84x = 87,343,134.98 × 38,510,396.96 - Step 4: Simplify right side
63,282,228.84x = 3,363,618,799,810,662 - Step 5: Solve for x
x = 3,363,618,799,810,662/63,282,228.84 - Step 6: Final answer
x = 53,152,660.10
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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.