Finding the Fourth Proportional to 98,351,488.80, 147,527,233.20 and 69,630,055.20
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Solution
The fourth proportional to 98,351,488.80, 147,527,233.20 and 69,630,055.20 is: 104,445,082.80
Step by Step Solution
- Step 1: Write the proportion equation
98,351,488.80 : 147,527,233.20 = 69,630,055.20 : x - Step 2: Convert to fraction form
98,351,488.80/147,527,233.20 = 69,630,055.20/x - Step 3: Cross multiply
98,351,488.80x = 147,527,233.20 × 69,630,055.20 - Step 4: Simplify right side
98,351,488.80x = 10,272,329,391,219,272 - Step 5: Solve for x
x = 10,272,329,391,219,272/98,351,488.80 - Step 6: Final answer
x = 104,445,082.80
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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.