Finding the Fourth Proportional to 88,939,561.20, 133,210,276.20 and 73,014,313.20
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Solution
The fourth proportional to 88,939,561.20, 133,210,276.20 and 73,014,313.20 is: 109,358,048.28
Step by Step Solution
- Step 1: Write the proportion equation
88,939,561.20 : 133,210,276.20 = 73,014,313.20 : x - Step 2: Convert to fraction form
88,939,561.20/133,210,276.20 = 73,014,313.20/x - Step 3: Cross multiply
88,939,561.20x = 133,210,276.20 × 73,014,313.20 - Step 4: Simplify right side
88,939,561.20x = 9,726,256,827,925,306 - Step 5: Solve for x
x = 9,726,256,827,925,306/88,939,561.20 - Step 6: Final answer
x = 109,358,048.28
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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.