Finding the Fourth Proportional to 130,130,088.96, 195,227,440.89 and 64,581,990.63
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Solution
The fourth proportional to 130,130,088.96, 195,227,440.89 and 64,581,990.63 is: 96,889,019.74
Step by Step Solution
- Step 1: Write the proportion equation
130,130,088.96 : 195,227,440.89 = 64,581,990.63 : x - Step 2: Convert to fraction form
130,130,088.96/195,227,440.89 = 64,581,990.63/x - Step 3: Cross multiply
130,130,088.96x = 195,227,440.89 × 64,581,990.63 - Step 4: Simplify right side
130,130,088.96x = 12,608,176,757,847,646 - Step 5: Solve for x
x = 12,608,176,757,847,646/130,130,088.96 - Step 6: Final answer
x = 96,889,019.74
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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.