Finding the Fourth Proportional to 178,205,877.08, 267,154,254.84 and 68,955,853.06
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Solution
The fourth proportional to 178,205,877.08, 267,154,254.84 and 68,955,853.06 is: 103,373,973.08
Step by Step Solution
- Step 1: Write the proportion equation
178,205,877.08 : 267,154,254.84 = 68,955,853.06 : x - Step 2: Convert to fraction form
178,205,877.08/267,154,254.84 = 68,955,853.06/x - Step 3: Cross multiply
178,205,877.08x = 267,154,254.84 × 68,955,853.06 - Step 4: Simplify right side
178,205,877.08x = 18,421,849,539,765,064 - Step 5: Solve for x
x = 18,421,849,539,765,064/178,205,877.08 - Step 6: Final answer
x = 103,373,973.08
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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.