Finding the Fourth Proportional to 162,054,313.80, 223,634,963.98 and 88,715,455.80
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Solution
The fourth proportional to 162,054,313.80, 223,634,963.98 and 88,715,455.80 is: 122,427,334.99
Step by Step Solution
- Step 1: Write the proportion equation
162,054,313.80 : 223,634,963.98 = 88,715,455.80 : x - Step 2: Convert to fraction form
162,054,313.80/223,634,963.98 = 88,715,455.80/x - Step 3: Cross multiply
162,054,313.80x = 223,634,963.98 × 88,715,455.80 - Step 4: Simplify right side
162,054,313.80x = 19,839,877,762,302,280 - Step 5: Solve for x
x = 19,839,877,762,302,280/162,054,313.80 - Step 6: Final answer
x = 122,427,334.99
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1.5x scale
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.