Finding the Fourth Proportional to 89,905,121.48, 124,069,067.80 and 48,652,013.84
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Solution
The fourth proportional to 89,905,121.48, 124,069,067.80 and 48,652,013.84 is: 67,139,779.18
Step by Step Solution
- Step 1: Write the proportion equation
89,905,121.48 : 124,069,067.80 = 48,652,013.84 : x - Step 2: Convert to fraction form
89,905,121.48/124,069,067.80 = 48,652,013.84/x - Step 3: Cross multiply
89,905,121.48x = 124,069,067.80 × 48,652,013.84 - Step 4: Simplify right side
89,905,121.48x = 6,036,210,003,721,499 - Step 5: Solve for x
x = 6,036,210,003,721,499/89,905,121.48 - Step 6: Final answer
x = 67,139,779.18
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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.