Finding the Fourth Proportional to 170,564,806.40, 255,637,257.60 and 115,977,286.40
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Solution
The fourth proportional to 170,564,806.40, 255,637,257.60 and 115,977,286.40 is: 173,823,170.59
Step by Step Solution
- Step 1: Write the proportion equation
170,564,806.40 : 255,637,257.60 = 115,977,286.40 : x - Step 2: Convert to fraction form
170,564,806.40/255,637,257.60 = 115,977,286.40/x - Step 3: Cross multiply
170,564,806.40x = 255,637,257.60 × 115,977,286.40 - Step 4: Simplify right side
170,564,806.40x = 29,648,115,439,185,776 - Step 5: Solve for x
x = 29,648,115,439,185,776/170,564,806.40 - Step 6: Final answer
x = 173,823,170.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.