Finding the Fourth Proportional to 302,781,430.19, 417,838,556.71 and 163,552,253.46
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Solution
The fourth proportional to 302,781,430.19, 417,838,556.71 and 163,552,253.46 is: 225,702,208.65
Step by Step Solution
- Step 1: Write the proportion equation
302,781,430.19 : 417,838,556.71 = 163,552,253.46 : x - Step 2: Convert to fraction form
302,781,430.19/417,838,556.71 = 163,552,253.46/x - Step 3: Cross multiply
302,781,430.19x = 417,838,556.71 × 163,552,253.46 - Step 4: Simplify right side
302,781,430.19x = 68,338,437,532,394,504 - Step 5: Solve for x
x = 68,338,437,532,394,504/302,781,430.19 - Step 6: Final answer
x = 225,702,208.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.