Finding the Fourth Proportional to 157,134,246.96, 216,862,174.50 and 86,576,950.44
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Solution
The fourth proportional to 157,134,246.96, 216,862,174.50 and 86,576,950.44 is: 119,485,510.62
Step by Step Solution
- Step 1: Write the proportion equation
157,134,246.96 : 216,862,174.50 = 86,576,950.44 : x - Step 2: Convert to fraction form
157,134,246.96/216,862,174.50 = 86,576,950.44/x - Step 3: Cross multiply
157,134,246.96x = 216,862,174.50 × 86,576,950.44 - Step 4: Simplify right side
157,134,246.96x = 18,775,265,733,997,132 - Step 5: Solve for x
x = 18,775,265,733,997,132/157,134,246.96 - Step 6: Final answer
x = 119,485,510.62
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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.