Finding the Fourth Proportional to 152,474,409.60, 210,414,115.17 and 86,407,496.70
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Solution
The fourth proportional to 152,474,409.60, 210,414,115.17 and 86,407,496.70 is: 119,242,022.38
Step by Step Solution
- Step 1: Write the proportion equation
152,474,409.60 : 210,414,115.17 = 86,407,496.70 : x - Step 2: Convert to fraction form
152,474,409.60/210,414,115.17 = 86,407,496.70/x - Step 3: Cross multiply
152,474,409.60x = 210,414,115.17 × 86,407,496.70 - Step 4: Simplify right side
152,474,409.60x = 18,181,356,962,185,196 - Step 5: Solve for x
x = 18,181,356,962,185,196/152,474,409.60 - Step 6: Final answer
x = 119,242,022.38
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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.