Finding the Fourth Proportional to 99,748,632.80, 149,717,427.60 and 61,484,880.80
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Solution
The fourth proportional to 99,748,632.80, 149,717,427.60 and 61,484,880.80 is: 92,285,557.52
Step by Step Solution
- Step 1: Write the proportion equation
99,748,632.80 : 149,717,427.60 = 61,484,880.80 : x - Step 2: Convert to fraction form
99,748,632.80/149,717,427.60 = 61,484,880.80/x - Step 3: Cross multiply
99,748,632.80x = 149,717,427.60 × 61,484,880.80 - Step 4: Simplify right side
99,748,632.80x = 9,205,358,189,668,630 - Step 5: Solve for x
x = 9,205,358,189,668,630/99,748,632.80 - Step 6: Final answer
x = 92,285,557.52
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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.