Finding the Fourth Proportional to 93,170,136.33, 128,575,296.54 and 54,035,115.12
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Solution
The fourth proportional to 93,170,136.33, 128,575,296.54 and 54,035,115.12 is: 74,568,753.72
Step by Step Solution
- Step 1: Write the proportion equation
93,170,136.33 : 128,575,296.54 = 54,035,115.12 : x - Step 2: Convert to fraction form
93,170,136.33/128,575,296.54 = 54,035,115.12/x - Step 3: Cross multiply
93,170,136.33x = 128,575,296.54 × 54,035,115.12 - Step 4: Simplify right side
93,170,136.33x = 6,947,580,950,127,038 - Step 5: Solve for x
x = 6,947,580,950,127,038/93,170,136.33 - Step 6: Final answer
x = 74,568,753.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.