Finding the Fourth Proportional to 83,689,739.19, 115,493,221.35 and 46,014,495.06
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Solution
The fourth proportional to 83,689,739.19, 115,493,221.35 and 46,014,495.06 is: 63,500,762.63
Step by Step Solution
- Step 1: Write the proportion equation
83,689,739.19 : 115,493,221.35 = 46,014,495.06 : x - Step 2: Convert to fraction form
83,689,739.19/115,493,221.35 = 46,014,495.06/x - Step 3: Cross multiply
83,689,739.19x = 115,493,221.35 × 46,014,495.06 - Step 4: Simplify right side
83,689,739.19x = 5,314,362,263,273,062 - Step 5: Solve for x
x = 5,314,362,263,273,062/83,689,739.19 - Step 6: Final answer
x = 63,500,762.63
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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.