Finding the Fourth Proportional to 303,551,862.84, 455,259,646.74 and 139,632,188.76
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Solution
The fourth proportional to 303,551,862.84, 455,259,646.74 and 139,632,188.76 is: 209,416,935.66
Step by Step Solution
- Step 1: Write the proportion equation
303,551,862.84 : 455,259,646.74 = 139,632,188.76 : x - Step 2: Convert to fraction form
303,551,862.84/455,259,646.74 = 139,632,188.76/x - Step 3: Cross multiply
303,551,862.84x = 455,259,646.74 × 139,632,188.76 - Step 4: Simplify right side
303,551,862.84x = 63,568,900,928,410,592 - Step 5: Solve for x
x = 63,568,900,928,410,592/303,551,862.84 - Step 6: Final answer
x = 209,416,935.66
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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.