Finding the Fourth Proportional to 189,680,826.84, 261,756,135.18 and 107,172,840.12
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Solution
The fourth proportional to 189,680,826.84, 261,756,135.18 and 107,172,840.12 is: 147,896,595.00
Step by Step Solution
- Step 1: Write the proportion equation
189,680,826.84 : 261,756,135.18 = 107,172,840.12 : x - Step 2: Convert to fraction form
189,680,826.84/261,756,135.18 = 107,172,840.12/x - Step 3: Cross multiply
189,680,826.84x = 261,756,135.18 × 107,172,840.12 - Step 4: Simplify right side
189,680,826.84x = 28,053,148,426,075,248 - Step 5: Solve for x
x = 28,053,148,426,075,248/189,680,826.84 - Step 6: Final answer
x = 147,896,595.00
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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.