Finding the Fourth Proportional to 51,138,306, 70,570,444.32 and 27,933,438.96
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Solution
The fourth proportional to 51,138,306, 70,570,444.32 and 27,933,438.96 is: 38,547,917.46
Step by Step Solution
- Step 1: Write the proportion equation
51,138,306 : 70,570,444.32 = 27,933,438.96 : x - Step 2: Convert to fraction form
51,138,306/70,570,444.32 = 27,933,438.96/x - Step 3: Cross multiply
51,138,306x = 70,570,444.32 × 27,933,438.96 - Step 4: Simplify right side
51,138,306x = 1,971,275,198,792,798.50 - Step 5: Solve for x
x = 1,971,275,198,792,798.50/51,138,306 - Step 6: Final answer
x = 38,547,917.46
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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.