Finding the Fourth Proportional to 170,202,496.70, 254,925,831.45 and 139,969,408.70
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Solution
The fourth proportional to 170,202,496.70, 254,925,831.45 and 139,969,408.70 is: 209,643,328.28
Step by Step Solution
- Step 1: Write the proportion equation
170,202,496.70 : 254,925,831.45 = 139,969,408.70 : x - Step 2: Convert to fraction form
170,202,496.70/254,925,831.45 = 139,969,408.70/x - Step 3: Cross multiply
170,202,496.70x = 254,925,831.45 × 139,969,408.70 - Step 4: Simplify right side
170,202,496.70x = 35,681,817,890,412,360 - Step 5: Solve for x
x = 35,681,817,890,412,360/170,202,496.70 - Step 6: Final answer
x = 209,643,328.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.