Finding the Fourth Proportional to 143,692,567.84, 215,675,118.36 and 88,939,530.22
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Solution
The fourth proportional to 143,692,567.84, 215,675,118.36 and 88,939,530.22 is: 133,493,638.50
Step by Step Solution
- Step 1: Write the proportion equation
143,692,567.84 : 215,675,118.36 = 88,939,530.22 : x - Step 2: Convert to fraction form
143,692,567.84/215,675,118.36 = 88,939,530.22/x - Step 3: Cross multiply
143,692,567.84x = 215,675,118.36 × 88,939,530.22 - Step 4: Simplify right side
143,692,567.84x = 19,182,043,707,081,296 - Step 5: Solve for x
x = 19,182,043,707,081,296/143,692,567.84 - Step 6: Final answer
x = 133,493,638.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.