Finding the Fourth Proportional to 93,471,928.08, 140,212,222.32 and 28,778,630.88
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Solution
The fourth proportional to 93,471,928.08, 140,212,222.32 and 28,778,630.88 is: 43,169,279.52
Step by Step Solution
- Step 1: Write the proportion equation
93,471,928.08 : 140,212,222.32 = 28,778,630.88 : x - Step 2: Convert to fraction form
93,471,928.08/140,212,222.32 = 28,778,630.88/x - Step 3: Cross multiply
93,471,928.08x = 140,212,222.32 × 28,778,630.88 - Step 4: Simplify right side
93,471,928.08x = 4,035,115,791,011,777 - Step 5: Solve for x
x = 4,035,115,791,011,777/93,471,928.08 - Step 6: Final answer
x = 43,169,279.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.