Finding the Fourth Proportional to 84,800,726.97, 117,038,886.44 and 70,649,472.21
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Solution
The fourth proportional to 84,800,726.97, 117,038,886.44 and 70,649,472.21 is: 97,507,838.08
Step by Step Solution
- Step 1: Write the proportion equation
84,800,726.97 : 117,038,886.44 = 70,649,472.21 : x - Step 2: Convert to fraction form
84,800,726.97/117,038,886.44 = 70,649,472.21/x - Step 3: Cross multiply
84,800,726.97x = 117,038,886.44 × 70,649,472.21 - Step 4: Simplify right side
84,800,726.97x = 8,268,735,554,678,878 - Step 5: Solve for x
x = 8,268,735,554,678,878/84,800,726.97 - Step 6: Final answer
x = 97,507,838.08
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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.