Finding the Fourth Proportional to 89,768,554.48, 134,652,832.04 and 69,328,088.38
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Solution
The fourth proportional to 89,768,554.48, 134,652,832.04 and 69,328,088.38 is: 103,992,132.82
Step by Step Solution
- Step 1: Write the proportion equation
89,768,554.48 : 134,652,832.04 = 69,328,088.38 : x - Step 2: Convert to fraction form
89,768,554.48/134,652,832.04 = 69,328,088.38/x - Step 3: Cross multiply
89,768,554.48x = 134,652,832.04 × 69,328,088.38 - Step 4: Simplify right side
89,768,554.48x = 9,335,223,440,286,414 - Step 5: Solve for x
x = 9,335,223,440,286,414/89,768,554.48 - Step 6: Final answer
x = 103,992,132.82
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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.