Finding the Fourth Proportional to 238,687,879.35, 358,031,918.29 and 107,376,778.67
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Solution
The fourth proportional to 238,687,879.35, 358,031,918.29 and 107,376,778.67 is: 161,065,212.66
Step by Step Solution
- Step 1: Write the proportion equation
238,687,879.35 : 358,031,918.29 = 107,376,778.67 : x - Step 2: Convert to fraction form
238,687,879.35/358,031,918.29 = 107,376,778.67/x - Step 3: Cross multiply
238,687,879.35x = 358,031,918.29 × 107,376,778.67 - Step 4: Simplify right side
238,687,879.35x = 38,444,314,047,020,856 - Step 5: Solve for x
x = 38,444,314,047,020,856/238,687,879.35 - Step 6: Final answer
x = 161,065,212.66
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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.