Finding the Fourth Proportional to 165,555,367.68, 228,473,457.12 and 92,216,490.24
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Solution
The fourth proportional to 165,555,367.68, 228,473,457.12 and 92,216,490.24 is: 127,262,683.32
Step by Step Solution
- Step 1: Write the proportion equation
165,555,367.68 : 228,473,457.12 = 92,216,490.24 : x - Step 2: Convert to fraction form
165,555,367.68/228,473,457.12 = 92,216,490.24/x - Step 3: Cross multiply
165,555,367.68x = 228,473,457.12 × 92,216,490.24 - Step 4: Simplify right side
165,555,367.68x = 21,069,020,328,605,536 - Step 5: Solve for x
x = 21,069,020,328,605,536/165,555,367.68 - Step 6: Final answer
x = 127,262,683.32
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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.