Finding the Fourth Proportional to 207,785,683.21, 286,731,625.80 and 118,465,138.30
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Solution
The fourth proportional to 207,785,683.21, 286,731,625.80 and 118,465,138.30 is: 163,474,697.49
Step by Step Solution
- Step 1: Write the proportion equation
207,785,683.21 : 286,731,625.80 = 118,465,138.30 : x - Step 2: Convert to fraction form
207,785,683.21/286,731,625.80 = 118,465,138.30/x - Step 3: Cross multiply
207,785,683.21x = 286,731,625.80 × 118,465,138.30 - Step 4: Simplify right side
207,785,683.21x = 33,967,701,704,671,696 - Step 5: Solve for x
x = 33,967,701,704,671,696/207,785,683.21 - Step 6: Final answer
x = 163,474,697.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.