Finding the Fourth Proportional to 65,129,032.80, 97,707,718.80 and 19,689,640.80
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Solution
The fourth proportional to 65,129,032.80, 97,707,718.80 and 19,689,640.80 is: 29,538,744.92
Step by Step Solution
- Step 1: Write the proportion equation
65,129,032.80 : 97,707,718.80 = 19,689,640.80 : x - Step 2: Convert to fraction form
65,129,032.80/97,707,718.80 = 19,689,640.80/x - Step 3: Cross multiply
65,129,032.80x = 97,707,718.80 × 19,689,640.80 - Step 4: Simplify right side
65,129,032.80x = 1,923,829,886,559,407 - Step 5: Solve for x
x = 1,923,829,886,559,407/65,129,032.80 - Step 6: Final answer
x = 29,538,744.92
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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.