Finding the Fourth Proportional to 164,751,342.53, 245,671,416.98 and 163,272,607.95
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Solution
The fourth proportional to 164,751,342.53, 245,671,416.98 and 163,272,607.95 is: 243,466,379.90
Step by Step Solution
- Step 1: Write the proportion equation
164,751,342.53 : 245,671,416.98 = 163,272,607.95 : x - Step 2: Convert to fraction form
164,751,342.53/245,671,416.98 = 163,272,607.95/x - Step 3: Cross multiply
164,751,342.53x = 245,671,416.98 × 163,272,607.95 - Step 4: Simplify right side
164,751,342.53x = 40,111,412,949,096,512 - Step 5: Solve for x
x = 40,111,412,949,096,512/164,751,342.53 - Step 6: Final answer
x = 243,466,379.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.