Finding the Fourth Proportional to 111,370,286.08, 153,692,043.60 and 62,478,763.84
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Solution
The fourth proportional to 111,370,286.08, 153,692,043.60 and 62,478,763.84 is: 86,221,282.48
Step by Step Solution
- Step 1: Write the proportion equation
111,370,286.08 : 153,692,043.60 = 62,478,763.84 : x - Step 2: Convert to fraction form
111,370,286.08/153,692,043.60 = 62,478,763.84/x - Step 3: Cross multiply
111,370,286.08x = 153,692,043.60 × 62,478,763.84 - Step 4: Simplify right side
111,370,286.08x = 9,602,488,896,171,384 - Step 5: Solve for x
x = 9,602,488,896,171,384/111,370,286.08 - Step 6: Final answer
x = 86,221,282.48
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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.