Finding the Fourth Proportional to 202,752,030.30, 304,128,045.45 and 122,130,462.30
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Solution
The fourth proportional to 202,752,030.30, 304,128,045.45 and 122,130,462.30 is: 183,195,693.45
Step by Step Solution
- Step 1: Write the proportion equation
202,752,030.30 : 304,128,045.45 = 122,130,462.30 : x - Step 2: Convert to fraction form
202,752,030.30/304,128,045.45 = 122,130,462.30/x - Step 3: Cross multiply
202,752,030.30x = 304,128,045.45 × 122,130,462.30 - Step 4: Simplify right side
202,752,030.30x = 37,143,298,789,203,912 - Step 5: Solve for x
x = 37,143,298,789,203,912/202,752,030.30 - Step 6: Final answer
x = 183,195,693.45
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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.