Finding the Fourth Proportional to 157,794,723.08, 217,757,013.52 and 88,180,104.14
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Solution
The fourth proportional to 157,794,723.08, 217,757,013.52 and 88,180,104.14 is: 121,688,708.94
Step by Step Solution
- Step 1: Write the proportion equation
157,794,723.08 : 217,757,013.52 = 88,180,104.14 : x - Step 2: Convert to fraction form
157,794,723.08/217,757,013.52 = 88,180,104.14/x - Step 3: Cross multiply
157,794,723.08x = 217,757,013.52 × 88,180,104.14 - Step 4: Simplify right side
157,794,723.08x = 19,201,836,129,408,988 - Step 5: Solve for x
x = 19,201,836,129,408,988/157,794,723.08 - Step 6: Final answer
x = 121,688,708.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.