Finding the Fourth Proportional to 118,495,324.80, 177,742,987.20 and 61,099,696.80
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Solution
The fourth proportional to 118,495,324.80, 177,742,987.20 and 61,099,696.80 is: 91,649,545.20
Step by Step Solution
- Step 1: Write the proportion equation
118,495,324.80 : 177,742,987.20 = 61,099,696.80 : x - Step 2: Convert to fraction form
118,495,324.80/177,742,987.20 = 61,099,696.80/x - Step 3: Cross multiply
118,495,324.80x = 177,742,987.20 × 61,099,696.80 - Step 4: Simplify right side
118,495,324.80x = 10,860,042,626,246,280 - Step 5: Solve for x
x = 10,860,042,626,246,280/118,495,324.80 - Step 6: Final answer
x = 91,649,545.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.