Finding the Fourth Proportional to 154,864,867.08, 232,299,763.83 and 86,214,018.54
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Solution
The fourth proportional to 154,864,867.08, 232,299,763.83 and 86,214,018.54 is: 129,322,399.09
Step by Step Solution
- Step 1: Write the proportion equation
154,864,867.08 : 232,299,763.83 = 86,214,018.54 : x - Step 2: Convert to fraction form
154,864,867.08/232,299,763.83 = 86,214,018.54/x - Step 3: Cross multiply
154,864,867.08x = 232,299,763.83 × 86,214,018.54 - Step 4: Simplify right side
154,864,867.08x = 20,027,496,145,677,244 - Step 5: Solve for x
x = 20,027,496,145,677,244/154,864,867.08 - Step 6: Final answer
x = 129,322,399.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.