Finding the Fourth Proportional to 225,778,302.16, 338,557,898.04 and 132,430,774.48
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Solution
The fourth proportional to 225,778,302.16, 338,557,898.04 and 132,430,774.48 is: 198,581,901.87
Step by Step Solution
- Step 1: Write the proportion equation
225,778,302.16 : 338,557,898.04 = 132,430,774.48 : x - Step 2: Convert to fraction form
225,778,302.16/338,557,898.04 = 132,430,774.48/x - Step 3: Cross multiply
225,778,302.16x = 338,557,898.04 × 132,430,774.48 - Step 4: Simplify right side
225,778,302.16x = 44,835,484,643,758,080 - Step 5: Solve for x
x = 44,835,484,643,758,080/225,778,302.16 - Step 6: Final answer
x = 198,581,901.87
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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.