Finding the Fourth Proportional to 98,176,963.24, 135,488,822.34 and 54,717,210.28
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Solution
The fourth proportional to 98,176,963.24, 135,488,822.34 and 54,717,210.28 is: 75,512,321.20
Step by Step Solution
- Step 1: Write the proportion equation
98,176,963.24 : 135,488,822.34 = 54,717,210.28 : x - Step 2: Convert to fraction form
98,176,963.24/135,488,822.34 = 54,717,210.28/x - Step 3: Cross multiply
98,176,963.24x = 135,488,822.34 × 54,717,210.28 - Step 4: Simplify right side
98,176,963.24x = 7,413,570,382,567,342 - Step 5: Solve for x
x = 7,413,570,382,567,342/98,176,963.24 - Step 6: Final answer
x = 75,512,321.20
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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.