Finding the Fourth Proportional to 127,822,479.30, 191,733,718.95 and 88,708,421.70
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Solution
The fourth proportional to 127,822,479.30, 191,733,718.95 and 88,708,421.70 is: 133,062,632.55
Step by Step Solution
- Step 1: Write the proportion equation
127,822,479.30 : 191,733,718.95 = 88,708,421.70 : x - Step 2: Convert to fraction form
127,822,479.30/191,733,718.95 = 88,708,421.70/x - Step 3: Cross multiply
127,822,479.30x = 191,733,718.95 × 88,708,421.70 - Step 4: Simplify right side
127,822,479.30x = 17,008,395,594,725,880 - Step 5: Solve for x
x = 17,008,395,594,725,880/127,822,479.30 - Step 6: Final answer
x = 133,062,632.55
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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.