Finding the Fourth Proportional to 87,044,969.60, 130,562,729.34 and 26,455,971.68
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Solution
The fourth proportional to 87,044,969.60, 130,562,729.34 and 26,455,971.68 is: 39,682,521.41
Step by Step Solution
- Step 1: Write the proportion equation
87,044,969.60 : 130,562,729.34 = 26,455,971.68 : x - Step 2: Convert to fraction form
87,044,969.60/130,562,729.34 = 26,455,971.68/x - Step 3: Cross multiply
87,044,969.60x = 130,562,729.34 × 26,455,971.68 - Step 4: Simplify right side
87,044,969.60x = 3,454,163,869,882,545 - Step 5: Solve for x
x = 3,454,163,869,882,545/87,044,969.60 - Step 6: Final answer
x = 39,682,521.41
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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.