Finding the Fourth Proportional to 88,516,123.08, 122,137,009.07 and 56,754,069.05
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Solution
The fourth proportional to 88,516,123.08, 122,137,009.07 and 56,754,069.05 is: 78,310,843.32
Step by Step Solution
- Step 1: Write the proportion equation
88,516,123.08 : 122,137,009.07 = 56,754,069.05 : x - Step 2: Convert to fraction form
88,516,123.08/122,137,009.07 = 56,754,069.05/x - Step 3: Cross multiply
88,516,123.08x = 122,137,009.07 × 56,754,069.05 - Step 4: Simplify right side
88,516,123.08x = 6,931,772,245,424,801 - Step 5: Solve for x
x = 6,931,772,245,424,801/88,516,123.08 - Step 6: Final answer
x = 78,310,843.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.