Finding the Fourth Proportional to 131,819,688.66, 197,773,487.70 and 87,677,995.08
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Solution
The fourth proportional to 131,819,688.66, 197,773,487.70 and 87,677,995.08 is: 131,546,228.47
Step by Step Solution
- Step 1: Write the proportion equation
131,819,688.66 : 197,773,487.70 = 87,677,995.08 : x - Step 2: Convert to fraction form
131,819,688.66/197,773,487.70 = 87,677,995.08/x - Step 3: Cross multiply
131,819,688.66x = 197,773,487.70 × 87,677,995.08 - Step 4: Simplify right side
131,819,688.66x = 17,340,382,881,515,040 - Step 5: Solve for x
x = 17,340,382,881,515,040/131,819,688.66 - Step 6: Final answer
x = 131,546,228.47
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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.