Finding the Fourth Proportional to 202,107,277.22, 278,909,710.68 and 111,583,683.98
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Solution
The fourth proportional to 202,107,277.22, 278,909,710.68 and 111,583,683.98 is: 153,986,404.86
Step by Step Solution
- Step 1: Write the proportion equation
202,107,277.22 : 278,909,710.68 = 111,583,683.98 : x - Step 2: Convert to fraction form
202,107,277.22/278,909,710.68 = 111,583,683.98/x - Step 3: Cross multiply
202,107,277.22x = 278,909,710.68 × 111,583,683.98 - Step 4: Simplify right side
202,107,277.22x = 31,121,773,015,470,352 - Step 5: Solve for x
x = 31,121,773,015,470,352/202,107,277.22 - Step 6: Final answer
x = 153,986,404.86
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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.