Finding the Fourth Proportional to 63,557,416.41, 87,704,391.40 and 35,674,739.01
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Solution
The fourth proportional to 63,557,416.41, 87,704,391.40 and 35,674,739.01 is: 49,228,421.32
Step by Step Solution
- Step 1: Write the proportion equation
63,557,416.41 : 87,704,391.40 = 35,674,739.01 : x - Step 2: Convert to fraction form
63,557,416.41/87,704,391.40 = 35,674,739.01/x - Step 3: Cross multiply
63,557,416.41x = 87,704,391.40 × 35,674,739.01 - Step 4: Simplify right side
63,557,416.41x = 3,128,831,273,136,701 - Step 5: Solve for x
x = 3,128,831,273,136,701/63,557,416.41 - Step 6: Final answer
x = 49,228,421.32
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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.