Finding the Fourth Proportional to 73,289,292.72, 101,178,489.81 and 56,507,379.18
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Solution
The fourth proportional to 73,289,292.72, 101,178,489.81 and 56,507,379.18 is: 78,010,457.96
Step by Step Solution
- Step 1: Write the proportion equation
73,289,292.72 : 101,178,489.81 = 56,507,379.18 : x - Step 2: Convert to fraction form
73,289,292.72/101,178,489.81 = 56,507,379.18/x - Step 3: Cross multiply
73,289,292.72x = 101,178,489.81 × 56,507,379.18 - Step 4: Simplify right side
73,289,292.72x = 5,717,331,288,553,436 - Step 5: Solve for x
x = 5,717,331,288,553,436/73,289,292.72 - Step 6: Final answer
x = 78,010,457.96
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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.