Finding the Fourth Proportional to 275,658,641.91, 413,552,285.37 and 91,412,639.91
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Solution
The fourth proportional to 275,658,641.91, 413,552,285.37 and 91,412,639.91 is: 137,140,290.20
Step by Step Solution
- Step 1: Write the proportion equation
275,658,641.91 : 413,552,285.37 = 91,412,639.91 : x - Step 2: Convert to fraction form
275,658,641.91/413,552,285.37 = 91,412,639.91/x - Step 3: Cross multiply
275,658,641.91x = 413,552,285.37 × 91,412,639.91 - Step 4: Simplify right side
275,658,641.91x = 37,803,906,146,485,368 - Step 5: Solve for x
x = 37,803,906,146,485,368/275,658,641.91 - Step 6: Final answer
x = 137,140,290.20
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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.