Finding the Fourth Proportional to 57,461,295.18, 79,298,269.70 and 31,357,495.54
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Solution
The fourth proportional to 57,461,295.18, 79,298,269.70 and 31,357,495.54 is: 43,274,261.93
Step by Step Solution
- Step 1: Write the proportion equation
57,461,295.18 : 79,298,269.70 = 31,357,495.54 : x - Step 2: Convert to fraction form
57,461,295.18/79,298,269.70 = 31,357,495.54/x - Step 3: Cross multiply
57,461,295.18x = 79,298,269.70 × 31,357,495.54 - Step 4: Simplify right side
57,461,295.18x = 2,486,595,138,447,467 - Step 5: Solve for x
x = 2,486,595,138,447,467/57,461,295.18 - Step 6: Final answer
x = 43,274,261.93
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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.