Finding the Fourth Proportional to 70,979,424.75, 106,458,458.09 and 19,854,816.75
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Solution
The fourth proportional to 70,979,424.75, 106,458,458.09 and 19,854,816.75 is: 29,779,237.92
Step by Step Solution
- Step 1: Write the proportion equation
70,979,424.75 : 106,458,458.09 = 19,854,816.75 : x - Step 2: Convert to fraction form
70,979,424.75/106,458,458.09 = 19,854,816.75/x - Step 3: Cross multiply
70,979,424.75x = 106,458,458.09 × 19,854,816.75 - Step 4: Simplify right side
70,979,424.75x = 2,113,713,176,765,230.75 - Step 5: Solve for x
x = 2,113,713,176,765,230.75/70,979,424.75 - Step 6: Final answer
x = 29,779,237.92
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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.