Finding the Fourth Proportional to 124,426,004.40, 186,639,006.60 and 79,020,385.20
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Solution
The fourth proportional to 124,426,004.40, 186,639,006.60 and 79,020,385.20 is: 118,530,577.80
Step by Step Solution
- Step 1: Write the proportion equation
124,426,004.40 : 186,639,006.60 = 79,020,385.20 : x - Step 2: Convert to fraction form
124,426,004.40/186,639,006.60 = 79,020,385.20/x - Step 3: Cross multiply
124,426,004.40x = 186,639,006.60 × 79,020,385.20 - Step 4: Simplify right side
124,426,004.40x = 14,748,286,194,877,342 - Step 5: Solve for x
x = 14,748,286,194,877,342/124,426,004.40 - Step 6: Final answer
x = 118,530,577.80
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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.