Finding the Fourth Proportional to 45,832,915.98, 63,415,973.16 and 39,964,786.74
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Solution
The fourth proportional to 45,832,915.98, 63,415,973.16 and 39,964,786.74 is: 55,296,631.01
Step by Step Solution
- Step 1: Write the proportion equation
45,832,915.98 : 63,415,973.16 = 39,964,786.74 : x - Step 2: Convert to fraction form
45,832,915.98/63,415,973.16 = 39,964,786.74/x - Step 3: Cross multiply
45,832,915.98x = 63,415,973.16 × 39,964,786.74 - Step 4: Simplify right side
45,832,915.98x = 2,534,405,843,248,964 - Step 5: Solve for x
x = 2,534,405,843,248,964/45,832,915.98 - Step 6: Final answer
x = 55,296,631.01
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1.5x scale
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.