Finding the Fourth Proportional to 189,119,695.08, 260,973,931.68 and 109,728,606.24
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Solution
The fourth proportional to 189,119,695.08, 260,973,931.68 and 109,728,606.24 is: 151,418,950.71
Step by Step Solution
- Step 1: Write the proportion equation
189,119,695.08 : 260,973,931.68 = 109,728,606.24 : x - Step 2: Convert to fraction form
189,119,695.08/260,973,931.68 = 109,728,606.24/x - Step 3: Cross multiply
189,119,695.08x = 260,973,931.68 × 109,728,606.24 - Step 4: Simplify right side
189,119,695.08x = 28,636,305,788,219,380 - Step 5: Solve for x
x = 28,636,305,788,219,380/189,119,695.08 - Step 6: Final answer
x = 151,418,950.71
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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.