Finding the Fourth Proportional to 99,708,950.23, 137,621,309.53 and 58,469,128.63
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Solution
The fourth proportional to 99,708,950.23, 137,621,309.53 and 58,469,128.63 is: 80,700,860.16
Step by Step Solution
- Step 1: Write the proportion equation
99,708,950.23 : 137,621,309.53 = 58,469,128.63 : x - Step 2: Convert to fraction form
99,708,950.23/137,621,309.53 = 58,469,128.63/x - Step 3: Cross multiply
99,708,950.23x = 137,621,309.53 × 58,469,128.63 - Step 4: Simplify right side
99,708,950.23x = 8,046,598,049,138,615 - Step 5: Solve for x
x = 8,046,598,049,138,615/99,708,950.23 - Step 6: Final answer
x = 80,700,860.16
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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.