Finding the Fourth Proportional to 118,288,073.35, 176,694,469.94 and 87,642,507.31
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Solution
The fourth proportional to 118,288,073.35, 176,694,469.94 and 87,642,507.31 is: 130,917,225.51
Step by Step Solution
- Step 1: Write the proportion equation
118,288,073.35 : 176,694,469.94 = 87,642,507.31 : x - Step 2: Convert to fraction form
118,288,073.35/176,694,469.94 = 87,642,507.31/x - Step 3: Cross multiply
118,288,073.35x = 176,694,469.94 × 87,642,507.31 - Step 4: Simplify right side
118,288,073.35x = 15,485,946,373,353,026 - Step 5: Solve for x
x = 15,485,946,373,353,026/118,288,073.35 - Step 6: Final answer
x = 130,917,225.51
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.