Finding the Fourth Proportional to 248,502,700.95, 342,934,763.12 and 136,991,092.02
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Solution
The fourth proportional to 248,502,700.95, 342,934,763.12 and 136,991,092.02 is: 189,048,277.99
Step by Step Solution
- Step 1: Write the proportion equation
248,502,700.95 : 342,934,763.12 = 136,991,092.02 : x - Step 2: Convert to fraction form
248,502,700.95/342,934,763.12 = 136,991,092.02/x - Step 3: Cross multiply
248,502,700.95x = 342,934,763.12 × 136,991,092.02 - Step 4: Simplify right side
248,502,700.95x = 46,979,007,689,971,576 - Step 5: Solve for x
x = 46,979,007,689,971,576/248,502,700.95 - Step 6: Final answer
x = 189,048,277.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.