Finding the Fourth Proportional to 286,018,464.23, 429,031,682.28 and 81,546,539.48
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Solution
The fourth proportional to 286,018,464.23, 429,031,682.28 and 81,546,539.48 is: 122,320,945.64
Step by Step Solution
- Step 1: Write the proportion equation
286,018,464.23 : 429,031,682.28 = 81,546,539.48 : x - Step 2: Convert to fraction form
286,018,464.23/429,031,682.28 = 81,546,539.48/x - Step 3: Cross multiply
286,018,464.23x = 429,031,682.28 × 81,546,539.48 - Step 4: Simplify right side
286,018,464.23x = 34,986,049,015,071,672 - Step 5: Solve for x
x = 34,986,049,015,071,672/286,018,464.23 - Step 6: Final answer
x = 122,320,945.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.