Finding the Fourth Proportional to 124,457,209.08, 171,750,979.66 and 68,702,661.88
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Solution
The fourth proportional to 124,457,209.08, 171,750,979.66 and 68,702,661.88 is: 94,809,690.58
Step by Step Solution
- Step 1: Write the proportion equation
124,457,209.08 : 171,750,979.66 = 68,702,661.88 : x - Step 2: Convert to fraction form
124,457,209.08/171,750,979.66 = 68,702,661.88/x - Step 3: Cross multiply
124,457,209.08x = 171,750,979.66 × 68,702,661.88 - Step 4: Simplify right side
124,457,209.08x = 11,799,749,483,139,736 - Step 5: Solve for x
x = 11,799,749,483,139,736/124,457,209.08 - Step 6: Final answer
x = 94,809,690.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.