Finding the Fourth Proportional to 113,708,222.48, 156,917,347.08 and 61,497,258.14
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Solution
The fourth proportional to 113,708,222.48, 156,917,347.08 and 61,497,258.14 is: 84,866,216.26
Step by Step Solution
- Step 1: Write the proportion equation
113,708,222.48 : 156,917,347.08 = 61,497,258.14 : x - Step 2: Convert to fraction form
113,708,222.48/156,917,347.08 = 61,497,258.14/x - Step 3: Cross multiply
113,708,222.48x = 156,917,347.08 × 61,497,258.14 - Step 4: Simplify right side
113,708,222.48x = 9,649,986,600,022,736 - Step 5: Solve for x
x = 9,649,986,600,022,736/113,708,222.48 - Step 6: Final answer
x = 84,866,216.26
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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.