Finding the Fourth Proportional to 93,080,755.86, 128,460,516.12 and 69,518,385.74
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Solution
The fourth proportional to 93,080,755.86, 128,460,516.12 and 69,518,385.74 is: 95,942,148.61
Step by Step Solution
- Step 1: Write the proportion equation
93,080,755.86 : 128,460,516.12 = 69,518,385.74 : x - Step 2: Convert to fraction form
93,080,755.86/128,460,516.12 = 69,518,385.74/x - Step 3: Cross multiply
93,080,755.86x = 128,460,516.12 × 69,518,385.74 - Step 4: Simplify right side
93,080,755.86x = 8,930,367,711,347,346 - Step 5: Solve for x
x = 8,930,367,711,347,346/93,080,755.86 - Step 6: Final answer
x = 95,942,148.61
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1.5x scale
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.