Finding the Fourth Proportional to 70,278,741.99, 105,427,921.83 and 29,328,794.48
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Solution
The fourth proportional to 70,278,741.99, 105,427,921.83 and 29,328,794.48 is: 43,997,285.16
Step by Step Solution
- Step 1: Write the proportion equation
70,278,741.99 : 105,427,921.83 = 29,328,794.48 : x - Step 2: Convert to fraction form
70,278,741.99/105,427,921.83 = 29,328,794.48/x - Step 3: Cross multiply
70,278,741.99x = 105,427,921.83 × 29,328,794.48 - Step 4: Simplify right side
70,278,741.99x = 3,092,073,851,563,808 - Step 5: Solve for x
x = 3,092,073,851,563,808/70,278,741.99 - Step 6: Final answer
x = 43,997,285.16
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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.