Finding the Fourth Proportional to 154,472,341.41, 212,968,985.07 and 111,471,526.98
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Solution
The fourth proportional to 154,472,341.41, 212,968,985.07 and 111,471,526.98 is: 153,684,327.88
Step by Step Solution
- Step 1: Write the proportion equation
154,472,341.41 : 212,968,985.07 = 111,471,526.98 : x - Step 2: Convert to fraction form
154,472,341.41/212,968,985.07 = 111,471,526.98/x - Step 3: Cross multiply
154,472,341.41x = 212,968,985.07 × 111,471,526.98 - Step 4: Simplify right side
154,472,341.41x = 23,739,977,965,133,724 - Step 5: Solve for x
x = 23,739,977,965,133,724/154,472,341.41 - Step 6: Final answer
x = 153,684,327.88
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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.