Finding the Fourth Proportional to 118,376,070.20, 177,564,105.30 and 67,415,276.60
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Solution
The fourth proportional to 118,376,070.20, 177,564,105.30 and 67,415,276.60 is: 101,122,914.90
Step by Step Solution
- Step 1: Write the proportion equation
118,376,070.20 : 177,564,105.30 = 67,415,276.60 : x - Step 2: Convert to fraction form
118,376,070.20/177,564,105.30 = 67,415,276.60/x - Step 3: Cross multiply
118,376,070.20x = 177,564,105.30 × 67,415,276.60 - Step 4: Simplify right side
118,376,070.20x = 11,970,533,273,031,026 - Step 5: Solve for x
x = 11,970,533,273,031,026/118,376,070.20 - Step 6: Final answer
x = 101,122,914.90
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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.