Finding the Fourth Proportional to 122,993,562.84, 169,723,028.61 and 70,774,170.18
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Solution
The fourth proportional to 122,993,562.84, 169,723,028.61 and 70,774,170.18 is: 97,663,700.71
Step by Step Solution
- Step 1: Write the proportion equation
122,993,562.84 : 169,723,028.61 = 70,774,170.18 : x - Step 2: Convert to fraction form
122,993,562.84/169,723,028.61 = 70,774,170.18/x - Step 3: Cross multiply
122,993,562.84x = 169,723,028.61 × 70,774,170.18 - Step 4: Simplify right side
122,993,562.84x = 12,012,006,510,309,152 - Step 5: Solve for x
x = 12,012,006,510,309,152/122,993,562.84 - Step 6: Final answer
x = 97,663,700.71
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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.