Finding the Fourth Proportional to 73,244,332.20, 109,698,536.70 and 71,564,716.20
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Solution
The fourth proportional to 73,244,332.20, 109,698,536.70 and 71,564,716.20 is: 107,182,964.34
Step by Step Solution
- Step 1: Write the proportion equation
73,244,332.20 : 109,698,536.70 = 71,564,716.20 : x - Step 2: Convert to fraction form
73,244,332.20/109,698,536.70 = 71,564,716.20/x - Step 3: Cross multiply
73,244,332.20x = 109,698,536.70 × 71,564,716.20 - Step 4: Simplify right side
73,244,332.20x = 7,850,544,646,490,785 - Step 5: Solve for x
x = 7,850,544,646,490,785/73,244,332.20 - Step 6: Final answer
x = 107,182,964.34
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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.