Finding the Fourth Proportional to 84,190,095.58, 116,118,312.24 and 72,449,153.26
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Solution
The fourth proportional to 84,190,095.58, 116,118,312.24 and 72,449,153.26 is: 99,924,739.86
Step by Step Solution
- Step 1: Write the proportion equation
84,190,095.58 : 116,118,312.24 = 72,449,153.26 : x - Step 2: Convert to fraction form
84,190,095.58/116,118,312.24 = 72,449,153.26/x - Step 3: Cross multiply
84,190,095.58x = 116,118,312.24 × 72,449,153.26 - Step 4: Simplify right side
84,190,095.58x = 8,412,673,399,768,294 - Step 5: Solve for x
x = 8,412,673,399,768,294/84,190,095.58 - Step 6: Final answer
x = 99,924,739.86
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1.5x scale
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.