Finding the Fourth Proportional to 73,749,142.48, 101,773,836.99 and 40,709,413.14
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Solution
The fourth proportional to 73,749,142.48, 101,773,836.99 and 40,709,413.14 is: 56,179,001.37
Step by Step Solution
- Step 1: Write the proportion equation
73,749,142.48 : 101,773,836.99 = 40,709,413.14 : x - Step 2: Convert to fraction form
73,749,142.48/101,773,836.99 = 40,709,413.14/x - Step 3: Cross multiply
73,749,142.48x = 101,773,836.99 × 40,709,413.14 - Step 4: Simplify right side
73,749,142.48x = 4,143,153,176,156,507.50 - Step 5: Solve for x
x = 4,143,153,176,156,507.50/73,749,142.48 - Step 6: Final answer
x = 56,179,001.37
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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.