Finding the Fourth Proportional to 77,754,112.74, 116,648,565.57 and 29,232,387.02
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Solution
The fourth proportional to 77,754,112.74, 116,648,565.57 and 29,232,387.02 is: 43,855,120.88
Step by Step Solution
- Step 1: Write the proportion equation
77,754,112.74 : 116,648,565.57 = 29,232,387.02 : x - Step 2: Convert to fraction form
77,754,112.74/116,648,565.57 = 29,232,387.02/x - Step 3: Cross multiply
77,754,112.74x = 116,648,565.57 × 29,232,387.02 - Step 4: Simplify right side
77,754,112.74x = 3,409,916,013,486,844 - Step 5: Solve for x
x = 3,409,916,013,486,844/77,754,112.74 - Step 6: Final answer
x = 43,855,120.88
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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.