Finding the Fourth Proportional to 126,159,848.18, 189,238,509.39 and 39,898,269.62
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Solution
The fourth proportional to 126,159,848.18, 189,238,509.39 and 39,898,269.62 is: 59,847,005.04
Step by Step Solution
- Step 1: Write the proportion equation
126,159,848.18 : 189,238,509.39 = 39,898,269.62 : x - Step 2: Convert to fraction form
126,159,848.18/189,238,509.39 = 39,898,269.62/x - Step 3: Cross multiply
126,159,848.18x = 189,238,509.39 × 39,898,269.62 - Step 4: Simplify right side
126,159,848.18x = 7,550,289,070,129,121 - Step 5: Solve for x
x = 7,550,289,070,129,121/126,159,848.18 - Step 6: Final answer
x = 59,847,005.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.