Finding the Fourth Proportional to 133,139,426.39, 183,732,657.36 and 74,402,091.62
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Solution
The fourth proportional to 133,139,426.39, 183,732,657.36 and 74,402,091.62 is: 102,675,025.55
Step by Step Solution
- Step 1: Write the proportion equation
133,139,426.39 : 183,732,657.36 = 74,402,091.62 : x - Step 2: Convert to fraction form
133,139,426.39/183,732,657.36 = 74,402,091.62/x - Step 3: Cross multiply
133,139,426.39x = 183,732,657.36 × 74,402,091.62 - Step 4: Simplify right side
133,139,426.39x = 13,670,094,006,484,790 - Step 5: Solve for x
x = 13,670,094,006,484,790/133,139,426.39 - Step 6: Final answer
x = 102,675,025.55
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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.