Finding the Fourth Proportional to 133,058,775.30, 199,588,162.95 and 113,575,229.70
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Solution
The fourth proportional to 133,058,775.30, 199,588,162.95 and 113,575,229.70 is: 170,362,844.55
Step by Step Solution
- Step 1: Write the proportion equation
133,058,775.30 : 199,588,162.95 = 113,575,229.70 : x - Step 2: Convert to fraction form
133,058,775.30/199,588,162.95 = 113,575,229.70/x - Step 3: Cross multiply
133,058,775.30x = 199,588,162.95 × 113,575,229.70 - Step 4: Simplify right side
133,058,775.30x = 22,668,271,452,447,280 - Step 5: Solve for x
x = 22,668,271,452,447,280/133,058,775.30 - Step 6: Final answer
x = 170,362,844.55
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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.