Finding the Fourth Proportional to 180,249,543.25, 248,754,794.58 and 100,863,911.66
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Solution
The fourth proportional to 180,249,543.25, 248,754,794.58 and 100,863,911.66 is: 139,198,031.65
Step by Step Solution
- Step 1: Write the proportion equation
180,249,543.25 : 248,754,794.58 = 100,863,911.66 : x - Step 2: Convert to fraction form
180,249,543.25/248,754,794.58 = 100,863,911.66/x - Step 3: Cross multiply
180,249,543.25x = 248,754,794.58 × 100,863,911.66 - Step 4: Simplify right side
180,249,543.25x = 25,090,381,626,298,912 - Step 5: Solve for x
x = 25,090,381,626,298,912/180,249,543.25 - Step 6: Final answer
x = 139,198,031.65
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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.