Finding the Fourth Proportional to 58,934,982.19, 81,363,986.66 and 39,115,624.56
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Solution
The fourth proportional to 58,934,982.19, 81,363,986.66 and 39,115,624.56 is: 54,001,936.31
Step by Step Solution
- Step 1: Write the proportion equation
58,934,982.19 : 81,363,986.66 = 39,115,624.56 : x - Step 2: Convert to fraction form
58,934,982.19/81,363,986.66 = 39,115,624.56/x - Step 3: Cross multiply
58,934,982.19x = 81,363,986.66 × 39,115,624.56 - Step 4: Simplify right side
58,934,982.19x = 3,182,603,154,897,408.50 - Step 5: Solve for x
x = 3,182,603,154,897,408.50/58,934,982.19 - Step 6: Final answer
x = 54,001,936.31
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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.