Finding the Fourth Proportional to 157,594,012.61, 236,534,468.19 and 83,879,679.09
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Solution
The fourth proportional to 157,594,012.61, 236,534,468.19 and 83,879,679.09 is: 125,895,869.75
Step by Step Solution
- Step 1: Write the proportion equation
157,594,012.61 : 236,534,468.19 = 83,879,679.09 : x - Step 2: Convert to fraction form
157,594,012.61/236,534,468.19 = 83,879,679.09/x - Step 3: Cross multiply
157,594,012.61x = 236,534,468.19 × 83,879,679.09 - Step 4: Simplify right side
157,594,012.61x = 19,840,435,284,928,560 - Step 5: Solve for x
x = 19,840,435,284,928,560/157,594,012.61 - Step 6: Final answer
x = 125,895,869.75
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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.