Finding the Fourth Proportional to 112,327,218.90, 168,490,828.35 and 104,768,946.90
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Solution
The fourth proportional to 112,327,218.90, 168,490,828.35 and 104,768,946.90 is: 157,153,420.35
Step by Step Solution
- Step 1: Write the proportion equation
112,327,218.90 : 168,490,828.35 = 104,768,946.90 : x - Step 2: Convert to fraction form
112,327,218.90/168,490,828.35 = 104,768,946.90/x - Step 3: Cross multiply
112,327,218.90x = 168,490,828.35 × 104,768,946.90 - Step 4: Simplify right side
112,327,218.90x = 17,652,606,648,538,164 - Step 5: Solve for x
x = 17,652,606,648,538,164/112,327,218.90 - Step 6: Final answer
x = 157,153,420.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.