Finding the Fourth Proportional to 77,977,290.06, 117,024,767.82 and 53,326,315.44
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Solution
The fourth proportional to 77,977,290.06, 117,024,767.82 and 53,326,315.44 is: 80,029,707.09
Step by Step Solution
- Step 1: Write the proportion equation
77,977,290.06 : 117,024,767.82 = 53,326,315.44 : x - Step 2: Convert to fraction form
77,977,290.06/117,024,767.82 = 53,326,315.44/x - Step 3: Cross multiply
77,977,290.06x = 117,024,767.82 × 53,326,315.44 - Step 4: Simplify right side
77,977,290.06x = 6,240,499,683,062,080 - Step 5: Solve for x
x = 6,240,499,683,062,080/77,977,290.06 - Step 6: Final answer
x = 80,029,707.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.