Finding the Fourth Proportional to 92,489,101.84, 127,634,957.06 and 50,674,753.74
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Solution
The fourth proportional to 92,489,101.84, 127,634,957.06 and 50,674,753.74 is: 69,931,158.26
Step by Step Solution
- Step 1: Write the proportion equation
92,489,101.84 : 127,634,957.06 = 50,674,753.74 : x - Step 2: Convert to fraction form
92,489,101.84/127,634,957.06 = 50,674,753.74/x - Step 3: Cross multiply
92,489,101.84x = 127,634,957.06 × 50,674,753.74 - Step 4: Simplify right side
92,489,101.84x = 6,467,870,018,141,530 - Step 5: Solve for x
x = 6,467,870,018,141,530/92,489,101.84 - Step 6: Final answer
x = 69,931,158.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.