Finding the Fourth Proportional to 126,110,030.87, 189,219,657.38 and 67,749,616.02
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Solution
The fourth proportional to 126,110,030.87, 189,219,657.38 and 67,749,616.02 is: 101,653,762.53
Step by Step Solution
- Step 1: Write the proportion equation
126,110,030.87 : 189,219,657.38 = 67,749,616.02 : x - Step 2: Convert to fraction form
126,110,030.87/189,219,657.38 = 67,749,616.02/x - Step 3: Cross multiply
126,110,030.87x = 189,219,657.38 × 67,749,616.02 - Step 4: Simplify right side
126,110,030.87x = 12,819,559,130,592,210 - Step 5: Solve for x
x = 12,819,559,130,592,210/126,110,030.87 - Step 6: Final answer
x = 101,653,762.53
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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.