Finding the Fourth Proportional to 89,919,378.71, 134,636,557.40 and 58,717,744.15
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Solution
The fourth proportional to 89,919,378.71, 134,636,557.40 and 58,717,744.15 is: 87,918,255.70
Step by Step Solution
- Step 1: Write the proportion equation
89,919,378.71 : 134,636,557.40 = 58,717,744.15 : x - Step 2: Convert to fraction form
89,919,378.71/134,636,557.40 = 58,717,744.15/x - Step 3: Cross multiply
89,919,378.71x = 134,636,557.40 × 58,717,744.15 - Step 4: Simplify right side
89,919,378.71x = 7,905,554,930,460,193 - Step 5: Solve for x
x = 7,905,554,930,460,193/89,919,378.71 - Step 6: Final answer
x = 87,918,255.70
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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.