Finding the Fourth Proportional to 57,462,347.23, 79,299,713.95 and 31,358,546.55
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Solution
The fourth proportional to 57,462,347.23, 79,299,713.95 and 31,358,546.55 is: 43,275,708.20
Step by Step Solution
- Step 1: Write the proportion equation
57,462,347.23 : 79,299,713.95 = 31,358,546.55 : x - Step 2: Convert to fraction form
57,462,347.23/79,299,713.95 = 31,358,546.55/x - Step 3: Cross multiply
57,462,347.23x = 79,299,713.95 × 31,358,546.55 - Step 4: Simplify right side
57,462,347.23x = 2,486,723,771,224,363 - Step 5: Solve for x
x = 2,486,723,771,224,363/57,462,347.23 - Step 6: Final answer
x = 43,275,708.20
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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.