Finding the Fourth Proportional to 49,763,218.32, 68,516,958.06 and 42,306,207.12
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Solution
The fourth proportional to 49,763,218.32, 68,516,958.06 and 42,306,207.12 is: 58,249,701.62
Step by Step Solution
- Step 1: Write the proportion equation
49,763,218.32 : 68,516,958.06 = 42,306,207.12 : x - Step 2: Convert to fraction form
49,763,218.32/68,516,958.06 = 42,306,207.12/x - Step 3: Cross multiply
49,763,218.32x = 68,516,958.06 × 42,306,207.12 - Step 4: Simplify right side
49,763,218.32x = 2,898,692,618,918,713.50 - Step 5: Solve for x
x = 2,898,692,618,918,713.50/49,763,218.32 - Step 6: Final answer
x = 58,249,701.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.