Finding the Fourth Proportional to 116,638,878.98, 174,957,120.18 and 67,423,416.93
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Solution
The fourth proportional to 116,638,878.98, 174,957,120.18 and 67,423,416.93 is: 101,134,432.72
Step by Step Solution
- Step 1: Write the proportion equation
116,638,878.98 : 174,957,120.18 = 67,423,416.93 : x - Step 2: Convert to fraction form
116,638,878.98/174,957,120.18 = 67,423,416.93/x - Step 3: Cross multiply
116,638,878.98x = 174,957,120.18 × 67,423,416.93 - Step 4: Simplify right side
116,638,878.98x = 11,796,206,858,768,258 - Step 5: Solve for x
x = 11,796,206,858,768,258/116,638,878.98 - Step 6: Final answer
x = 101,134,432.72
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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.