Finding the Fourth Proportional to 105,543,866.52, 145,655,911.62 and 60,873,226.41
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Solution
The fourth proportional to 105,543,866.52, 145,655,911.62 and 60,873,226.41 is: 84,008,152.99
Step by Step Solution
- Step 1: Write the proportion equation
105,543,866.52 : 145,655,911.62 = 60,873,226.41 : x - Step 2: Convert to fraction form
105,543,866.52/145,655,911.62 = 60,873,226.41/x - Step 3: Cross multiply
105,543,866.52x = 145,655,911.62 × 60,873,226.41 - Step 4: Simplify right side
105,543,866.52x = 8,866,545,285,999,210 - Step 5: Solve for x
x = 8,866,545,285,999,210/105,543,866.52 - Step 6: Final answer
x = 84,008,152.99
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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.