Finding the Fourth Proportional to 93,497,608.30, 140,246,412.45 and 77,572,360.30
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Solution
The fourth proportional to 93,497,608.30, 140,246,412.45 and 77,572,360.30 is: 116,358,540.45
Step by Step Solution
- Step 1: Write the proportion equation
93,497,608.30 : 140,246,412.45 = 77,572,360.30 : x - Step 2: Convert to fraction form
93,497,608.30/140,246,412.45 = 77,572,360.30/x - Step 3: Cross multiply
93,497,608.30x = 140,246,412.45 × 77,572,360.30 - Step 4: Simplify right side
93,497,608.30x = 10,879,245,237,353,804 - Step 5: Solve for x
x = 10,879,245,237,353,804/93,497,608.30 - Step 6: Final answer
x = 116,358,540.45
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1.5x scale
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.