Finding the Fourth Proportional to 98,341,754.24, 135,712,054.31 and 54,289,115.07
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Solution
The fourth proportional to 98,341,754.24, 135,712,054.31 and 54,289,115.07 is: 74,919,218.09
Step by Step Solution
- Step 1: Write the proportion equation
98,341,754.24 : 135,712,054.31 = 54,289,115.07 : x - Step 2: Convert to fraction form
98,341,754.24/135,712,054.31 = 54,289,115.07/x - Step 3: Cross multiply
98,341,754.24x = 135,712,054.31 × 54,289,115.07 - Step 4: Simplify right side
98,341,754.24x = 7,367,687,332,575,896 - Step 5: Solve for x
x = 7,367,687,332,575,896/98,341,754.24 - Step 6: Final answer
x = 74,919,218.09
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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.