Finding the Fourth Proportional to 194,941,017.80, 292,411,526.70 and 189,272,313.80
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Solution
The fourth proportional to 194,941,017.80, 292,411,526.70 and 189,272,313.80 is: 283,908,470.70
Step by Step Solution
- Step 1: Write the proportion equation
194,941,017.80 : 292,411,526.70 = 189,272,313.80 : x - Step 2: Convert to fraction form
194,941,017.80/292,411,526.70 = 189,272,313.80/x - Step 3: Cross multiply
194,941,017.80x = 292,411,526.70 × 189,272,313.80 - Step 4: Simplify right side
194,941,017.80x = 55,345,406,240,299,480 - Step 5: Solve for x
x = 55,345,406,240,299,480/194,941,017.80 - Step 6: Final answer
x = 283,908,470.70
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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.