Finding the Fourth Proportional to 84,824,720.16, 117,067,615.02 and 51,352,648.68
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Solution
The fourth proportional to 84,824,720.16, 117,067,615.02 and 51,352,648.68 is: 70,872,407.18
Step by Step Solution
- Step 1: Write the proportion equation
84,824,720.16 : 117,067,615.02 = 51,352,648.68 : x - Step 2: Convert to fraction form
84,824,720.16/117,067,615.02 = 51,352,648.68/x - Step 3: Cross multiply
84,824,720.16x = 117,067,615.02 × 51,352,648.68 - Step 4: Simplify right side
84,824,720.16x = 6,011,732,105,927,551 - Step 5: Solve for x
x = 6,011,732,105,927,551/84,824,720.16 - Step 6: Final answer
x = 70,872,407.18
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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.