Finding the Fourth Proportional to 197,343,051.52, 272,330,113.08 and 109,235,158.96
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Solution
The fourth proportional to 197,343,051.52, 272,330,113.08 and 109,235,158.96 is: 150,742,693.82
Step by Step Solution
- Step 1: Write the proportion equation
197,343,051.52 : 272,330,113.08 = 109,235,158.96 : x - Step 2: Convert to fraction form
197,343,051.52/272,330,113.08 = 109,235,158.96/x - Step 3: Cross multiply
197,343,051.52x = 272,330,113.08 × 109,235,158.96 - Step 4: Simplify right side
197,343,051.52x = 29,748,023,191,888,572 - Step 5: Solve for x
x = 29,748,023,191,888,572/197,343,051.52 - Step 6: Final answer
x = 150,742,693.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.