Finding the Fourth Proportional to 134,608,497.40, 201,975,731.70 and 69,985,271.80
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Solution
The fourth proportional to 134,608,497.40, 201,975,731.70 and 69,985,271.80 is: 105,010,655.00
Step by Step Solution
- Step 1: Write the proportion equation
134,608,497.40 : 201,975,731.70 = 69,985,271.80 : x - Step 2: Convert to fraction form
134,608,497.40/201,975,731.70 = 69,985,271.80/x - Step 3: Cross multiply
134,608,497.40x = 201,975,731.70 × 69,985,271.80 - Step 4: Simplify right side
134,608,497.40x = 14,135,326,480,028,374 - Step 5: Solve for x
x = 14,135,326,480,028,374/134,608,497.40 - Step 6: Final answer
x = 105,010,655.00
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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.