Finding the Fourth Proportional to 83,987,702.08, 115,903,027.92 and 45,356,534.08
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Solution
The fourth proportional to 83,987,702.08, 115,903,027.92 and 45,356,534.08 is: 62,592,016.52
Step by Step Solution
- Step 1: Write the proportion equation
83,987,702.08 : 115,903,027.92 = 45,356,534.08 : x - Step 2: Convert to fraction form
83,987,702.08/115,903,027.92 = 45,356,534.08/x - Step 3: Cross multiply
83,987,702.08x = 115,903,027.92 × 45,356,534.08 - Step 4: Simplify right side
83,987,702.08x = 5,256,959,635,828,671 - Step 5: Solve for x
x = 5,256,959,635,828,671/83,987,702.08 - Step 6: Final answer
x = 62,592,016.52
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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.