Finding the Fourth Proportional to 121,333,420.20, 182,000,130.30 and 101,155,269.75
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Solution
The fourth proportional to 121,333,420.20, 182,000,130.30 and 101,155,269.75 is: 151,732,904.63
Step by Step Solution
- Step 1: Write the proportion equation
121,333,420.20 : 182,000,130.30 = 101,155,269.75 : x - Step 2: Convert to fraction form
121,333,420.20/182,000,130.30 = 101,155,269.75/x - Step 3: Cross multiply
121,333,420.20x = 182,000,130.30 × 101,155,269.75 - Step 4: Simplify right side
121,333,420.20x = 18,410,272,275,031,648 - Step 5: Solve for x
x = 18,410,272,275,031,648/121,333,420.20 - Step 6: Final answer
x = 151,732,904.63
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1.5x scale
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.