Finding the Fourth Proportional to 92,249,805.06, 138,425,782.68 and 55,270,822.05
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Solution
The fourth proportional to 92,249,805.06, 138,425,782.68 and 55,270,822.05 is: 82,936,834.36
Step by Step Solution
- Step 1: Write the proportion equation
92,249,805.06 : 138,425,782.68 = 55,270,822.05 : x - Step 2: Convert to fraction form
92,249,805.06/138,425,782.68 = 55,270,822.05/x - Step 3: Cross multiply
92,249,805.06x = 138,425,782.68 × 55,270,822.05 - Step 4: Simplify right side
92,249,805.06x = 7,650,906,801,638,252 - Step 5: Solve for x
x = 7,650,906,801,638,252/92,249,805.06 - Step 6: Final answer
x = 82,936,834.36
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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.