Finding the Fourth Proportional to 57,291,594.24, 79,063,408.08 and 31,186,862.40
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Solution
The fourth proportional to 57,291,594.24, 79,063,408.08 and 31,186,862.40 is: 43,038,418.84
Step by Step Solution
- Step 1: Write the proportion equation
57,291,594.24 : 79,063,408.08 = 31,186,862.40 : x - Step 2: Convert to fraction form
57,291,594.24/79,063,408.08 = 31,186,862.40/x - Step 3: Cross multiply
57,291,594.24x = 79,063,408.08 × 31,186,862.40 - Step 4: Simplify right side
57,291,594.24x = 2,465,739,628,666,008 - Step 5: Solve for x
x = 2,465,739,628,666,008/57,291,594.24 - Step 6: Final answer
x = 43,038,418.84
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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.