Finding the Fourth Proportional to 83,535,458.40, 115,277,195.55 and 46,363,558.05
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Solution
The fourth proportional to 83,535,458.40, 115,277,195.55 and 46,363,558.05 is: 63,980,746.02
Step by Step Solution
- Step 1: Write the proportion equation
83,535,458.40 : 115,277,195.55 = 46,363,558.05 : x - Step 2: Convert to fraction form
83,535,458.40/115,277,195.55 = 46,363,558.05/x - Step 3: Cross multiply
83,535,458.40x = 115,277,195.55 × 46,363,558.05 - Step 4: Simplify right side
83,535,458.40x = 5,344,660,947,723,626 - Step 5: Solve for x
x = 5,344,660,947,723,626/83,535,458.40 - Step 6: Final answer
x = 63,980,746.02
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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.