Finding the Fourth Proportional to 77,977,291.06, 117,024,769.32 and 53,326,316.44
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Solution
The fourth proportional to 77,977,291.06, 117,024,769.32 and 53,326,316.44 is: 80,029,708.59
Step by Step Solution
- Step 1: Write the proportion equation
77,977,291.06 : 117,024,769.32 = 53,326,316.44 : x - Step 2: Convert to fraction form
77,977,291.06/117,024,769.32 = 53,326,316.44/x - Step 3: Cross multiply
77,977,291.06x = 117,024,769.32 × 53,326,316.44 - Step 4: Simplify right side
77,977,291.06x = 6,240,499,880,076,323 - Step 5: Solve for x
x = 6,240,499,880,076,323/77,977,291.06 - Step 6: Final answer
x = 80,029,708.59
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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.