Finding the Fourth Proportional to 92,875,937.79, 139,010,757.81 and 68,277,352.08
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Solution
The fourth proportional to 92,875,937.79, 139,010,757.81 and 68,277,352.08 is: 102,193,169.51
Step by Step Solution
- Step 1: Write the proportion equation
92,875,937.79 : 139,010,757.81 = 68,277,352.08 : x - Step 2: Convert to fraction form
92,875,937.79/139,010,757.81 = 68,277,352.08/x - Step 3: Cross multiply
92,875,937.79x = 139,010,757.81 × 68,277,352.08 - Step 4: Simplify right side
92,875,937.79x = 9,491,286,453,900,980 - Step 5: Solve for x
x = 9,491,286,453,900,980/92,875,937.79 - Step 6: Final answer
x = 102,193,169.51
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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.