Finding the Fourth Proportional to 180,997,782.12, 249,782,584.41 and 102,684,636.36
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Solution
The fourth proportional to 180,997,782.12, 249,782,584.41 and 102,684,636.36 is: 141,708,000.78
Step by Step Solution
- Step 1: Write the proportion equation
180,997,782.12 : 249,782,584.41 = 102,684,636.36 : x - Step 2: Convert to fraction form
180,997,782.12/249,782,584.41 = 102,684,636.36/x - Step 3: Cross multiply
180,997,782.12x = 249,782,584.41 × 102,684,636.36 - Step 4: Simplify right side
180,997,782.12x = 25,648,833,849,201,856 - Step 5: Solve for x
x = 25,648,833,849,201,856/180,997,782.12 - Step 6: Final answer
x = 141,708,000.78
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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.