Finding the Fourth Proportional to 133,107,555.46, 199,655,342.74 and 89,406,726.44
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Solution
The fourth proportional to 133,107,555.46, 199,655,342.74 and 89,406,726.44 is: 134,106,065.95
Step by Step Solution
- Step 1: Write the proportion equation
133,107,555.46 : 199,655,342.74 = 89,406,726.44 : x - Step 2: Convert to fraction form
133,107,555.46/199,655,342.74 = 89,406,726.44/x - Step 3: Cross multiply
133,107,555.46x = 199,655,342.74 × 89,406,726.44 - Step 4: Simplify right side
133,107,555.46x = 17,850,530,610,639,620 - Step 5: Solve for x
x = 17,850,530,610,639,620/133,107,555.46 - Step 6: Final answer
x = 134,106,065.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.