Finding the Fourth Proportional to 98,291,267.70, 147,436,901.55 and 92,232,840.30
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Solution
The fourth proportional to 98,291,267.70, 147,436,901.55 and 92,232,840.30 is: 138,349,260.45
Step by Step Solution
- Step 1: Write the proportion equation
98,291,267.70 : 147,436,901.55 = 92,232,840.30 : x - Step 2: Convert to fraction form
98,291,267.70/147,436,901.55 = 92,232,840.30/x - Step 3: Cross multiply
98,291,267.70x = 147,436,901.55 × 92,232,840.30 - Step 4: Simplify right side
98,291,267.70x = 13,598,524,194,987,974 - Step 5: Solve for x
x = 13,598,524,194,987,974/98,291,267.70 - Step 6: Final answer
x = 138,349,260.45
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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.