Finding the Fourth Proportional to 84,136,551.30, 126,173,334.15 and 29,528,036.10
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Solution
The fourth proportional to 84,136,551.30, 126,173,334.15 and 29,528,036.10 is: 44,281,001.63
Step by Step Solution
- Step 1: Write the proportion equation
84,136,551.30 : 126,173,334.15 = 29,528,036.10 : x - Step 2: Convert to fraction form
84,136,551.30/126,173,334.15 = 29,528,036.10/x - Step 3: Cross multiply
84,136,551.30x = 126,173,334.15 × 29,528,036.10 - Step 4: Simplify right side
84,136,551.30x = 3,725,650,765,638,563 - Step 5: Solve for x
x = 3,725,650,765,638,563/84,136,551.30 - Step 6: Final answer
x = 44,281,001.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.