Finding the Fourth Proportional to 83,338,875.68, 124,981,813.22 and 77,898,331.87
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Solution
The fourth proportional to 83,338,875.68, 124,981,813.22 and 77,898,331.87 is: 116,822,727.50
Step by Step Solution
- Step 1: Write the proportion equation
83,338,875.68 : 124,981,813.22 = 77,898,331.87 : x - Step 2: Convert to fraction form
83,338,875.68/124,981,813.22 = 77,898,331.87/x - Step 3: Cross multiply
83,338,875.68x = 124,981,813.22 × 77,898,331.87 - Step 4: Simplify right side
83,338,875.68x = 9,735,874,763,223,968 - Step 5: Solve for x
x = 9,735,874,763,223,968/83,338,875.68 - Step 6: Final answer
x = 116,822,727.50
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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.