Finding the Fourth Proportional to 73,829,164.70, 101,885,316.36 and 40,790,173.68
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Solution
The fourth proportional to 73,829,164.70, 101,885,316.36 and 40,790,173.68 is: 56,291,030.34
Step by Step Solution
- Step 1: Write the proportion equation
73,829,164.70 : 101,885,316.36 = 40,790,173.68 : x - Step 2: Convert to fraction form
73,829,164.70/101,885,316.36 = 40,790,173.68/x - Step 3: Cross multiply
73,829,164.70x = 101,885,316.36 × 40,790,173.68 - Step 4: Simplify right side
73,829,164.70x = 4,155,919,749,766,145.50 - Step 5: Solve for x
x = 4,155,919,749,766,145.50/73,829,164.70 - Step 6: Final answer
x = 56,291,030.34
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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.