Finding the Fourth Proportional to 165,356,254.63, 228,189,820.44 and 91,015,225.75
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Solution
The fourth proportional to 165,356,254.63, 228,189,820.44 and 91,015,225.75 is: 125,600,014.75
Step by Step Solution
- Step 1: Write the proportion equation
165,356,254.63 : 228,189,820.44 = 91,015,225.75 : x - Step 2: Convert to fraction form
165,356,254.63/228,189,820.44 = 91,015,225.75/x - Step 3: Cross multiply
165,356,254.63x = 228,189,820.44 × 91,015,225.75 - Step 4: Simplify right side
165,356,254.63x = 20,768,748,021,198,564 - Step 5: Solve for x
x = 20,768,748,021,198,564/165,356,254.63 - Step 6: Final answer
x = 125,600,014.75
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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.