Finding the Fourth Proportional to 98,358,184.80, 147,537,277.20 and 53,008,552.80
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Solution
The fourth proportional to 98,358,184.80, 147,537,277.20 and 53,008,552.80 is: 79,512,829.20
Step by Step Solution
- Step 1: Write the proportion equation
98,358,184.80 : 147,537,277.20 = 53,008,552.80 : x - Step 2: Convert to fraction form
98,358,184.80/147,537,277.20 = 53,008,552.80/x - Step 3: Cross multiply
98,358,184.80x = 147,537,277.20 × 53,008,552.80 - Step 4: Simplify right side
98,358,184.80x = 7,820,737,548,424,435 - Step 5: Solve for x
x = 7,820,737,548,424,435/98,358,184.80 - Step 6: Final answer
x = 79,512,829.20
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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.