Finding the Fourth Proportional to 89,909,340.78, 124,075,281.18 and 48,656,236.80
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Solution
The fourth proportional to 89,909,340.78, 124,075,281.18 and 48,656,236.80 is: 67,145,818.33
Step by Step Solution
- Step 1: Write the proportion equation
89,909,340.78 : 124,075,281.18 = 48,656,236.80 : x - Step 2: Convert to fraction form
89,909,340.78/124,075,281.18 = 48,656,236.80/x - Step 3: Cross multiply
89,909,340.78x = 124,075,281.18 × 48,656,236.80 - Step 4: Simplify right side
89,909,340.78x = 6,037,036,262,120,663 - Step 5: Solve for x
x = 6,037,036,262,120,663/89,909,340.78 - Step 6: Final answer
x = 67,145,818.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.