Finding the Fourth Proportional to 138,205,928.96, 207,149,461.68 and 51,889,283.36
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Solution
The fourth proportional to 138,205,928.96, 207,149,461.68 and 51,889,283.36 is: 77,774,066.54
Step by Step Solution
- Step 1: Write the proportion equation
138,205,928.96 : 207,149,461.68 = 51,889,283.36 : x - Step 2: Convert to fraction form
138,205,928.96/207,149,461.68 = 51,889,283.36/x - Step 3: Cross multiply
138,205,928.96x = 207,149,461.68 × 51,889,283.36 - Step 4: Simplify right side
138,205,928.96x = 10,748,837,114,984,982 - Step 5: Solve for x
x = 10,748,837,114,984,982/138,205,928.96 - Step 6: Final answer
x = 77,774,066.54
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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.