Finding the Fourth Proportional to 139,968,133.08, 209,952,199.76 and 139,968,133.08
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Solution
The fourth proportional to 139,968,133.08, 209,952,199.76 and 139,968,133.08 is: 209,952,199.76
Step by Step Solution
- Step 1: Write the proportion equation
139,968,133.08 : 209,952,199.76 = 139,968,133.08 : x - Step 2: Convert to fraction form
139,968,133.08/209,952,199.76 = 139,968,133.08/x - Step 3: Cross multiply
139,968,133.08x = 209,952,199.76 × 139,968,133.08 - Step 4: Simplify right side
139,968,133.08x = 29,386,617,436,446,424 - Step 5: Solve for x
x = 29,386,617,436,446,424/139,968,133.08 - Step 6: Final answer
x = 209,952,199.76
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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.