Finding the Fourth Proportional to 358,402,825.60, 537,226,324.80 and 139,968,764.80
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Solution
The fourth proportional to 358,402,825.60, 537,226,324.80 and 139,968,764.80 is: 209,805,558.80
Step by Step Solution
- Step 1: Write the proportion equation
358,402,825.60 : 537,226,324.80 = 139,968,764.80 : x - Step 2: Convert to fraction form
358,402,825.60/537,226,324.80 = 139,968,764.80/x - Step 3: Cross multiply
358,402,825.60x = 537,226,324.80 × 139,968,764.80 - Step 4: Simplify right side
358,402,825.60x = 75,194,905,100,299,600 - Step 5: Solve for x
x = 75,194,905,100,299,600/358,402,825.60 - Step 6: Final answer
x = 209,805,558.80
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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.