Finding the Fourth Proportional to 81,658,224.73, 122,452,461.28 and 37,911,994.52
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Solution
The fourth proportional to 81,658,224.73, 122,452,461.28 and 37,911,994.52 is: 56,851,799.75
Step by Step Solution
- Step 1: Write the proportion equation
81,658,224.73 : 122,452,461.28 = 37,911,994.52 : x - Step 2: Convert to fraction form
81,658,224.73/122,452,461.28 = 37,911,994.52/x - Step 3: Cross multiply
81,658,224.73x = 122,452,461.28 × 37,911,994.52 - Step 4: Simplify right side
81,658,224.73x = 4,642,417,040,443,000 - Step 5: Solve for x
x = 4,642,417,040,443,000/81,658,224.73 - Step 6: Final answer
x = 56,851,799.75
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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.