Finding the Fourth Proportional to 86,974,420.68, 130,177,747.44 and 63,939,252.69
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Solution
The fourth proportional to 86,974,420.68, 130,177,747.44 and 63,939,252.69 is: 95,700,182.00
Step by Step Solution
- Step 1: Write the proportion equation
86,974,420.68 : 130,177,747.44 = 63,939,252.69 : x - Step 2: Convert to fraction form
86,974,420.68/130,177,747.44 = 63,939,252.69/x - Step 3: Cross multiply
86,974,420.68x = 130,177,747.44 × 63,939,252.69 - Step 4: Simplify right side
86,974,420.68x = 8,323,467,888,181,160 - Step 5: Solve for x
x = 8,323,467,888,181,160/86,974,420.68 - Step 6: Final answer
x = 95,700,182.00
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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.