Finding the Fourth Proportional to 174,312,228.80, 261,468,343.20 and 155,201,931.20
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Solution
The fourth proportional to 174,312,228.80, 261,468,343.20 and 155,201,931.20 is: 232,802,896.80
Step by Step Solution
- Step 1: Write the proportion equation
174,312,228.80 : 261,468,343.20 = 155,201,931.20 : x - Step 2: Convert to fraction form
174,312,228.80/261,468,343.20 = 155,201,931.20/x - Step 3: Cross multiply
174,312,228.80x = 261,468,343.20 × 155,201,931.20 - Step 4: Simplify right side
174,312,228.80x = 40,580,391,812,304,384 - Step 5: Solve for x
x = 40,580,391,812,304,384/174,312,228.80 - Step 6: Final answer
x = 232,802,896.80
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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.