Finding the Fourth Proportional to 93,312,000.05, 139,968,000.08 and 85,942,684.85
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Solution
The fourth proportional to 93,312,000.05, 139,968,000.08 and 85,942,684.85 is: 128,914,027.28
Step by Step Solution
- Step 1: Write the proportion equation
93,312,000.05 : 139,968,000.08 = 85,942,684.85 : x - Step 2: Convert to fraction form
93,312,000.05/139,968,000.08 = 85,942,684.85/x - Step 3: Cross multiply
93,312,000.05x = 139,968,000.08 × 85,942,684.85 - Step 4: Simplify right side
93,312,000.05x = 12,029,225,719,530,500 - Step 5: Solve for x
x = 12,029,225,719,530,500/93,312,000.05 - Step 6: Final answer
x = 128,914,027.28
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1.5x scale
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.