Finding the Fourth Proportional to 126,159,848.68, 189,238,510.14 and 39,898,270.12
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Solution
The fourth proportional to 126,159,848.68, 189,238,510.14 and 39,898,270.12 is: 59,847,005.79
Step by Step Solution
- Step 1: Write the proportion equation
126,159,848.68 : 189,238,510.14 = 39,898,270.12 : x - Step 2: Convert to fraction form
126,159,848.68/189,238,510.14 = 39,898,270.12/x - Step 3: Cross multiply
126,159,848.68x = 189,238,510.14 × 39,898,270.12 - Step 4: Simplify right side
126,159,848.68x = 7,550,289,194,672,078 - Step 5: Solve for x
x = 7,550,289,194,672,078/126,159,848.68 - Step 6: Final answer
x = 59,847,005.79
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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.