Finding the Fourth Proportional to 153,682,740.51, 212,083,864.59 and 84,068,122.08
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Solution
The fourth proportional to 153,682,740.51, 212,083,864.59 and 84,068,122.08 is: 116,014,928.94
Step by Step Solution
- Step 1: Write the proportion equation
153,682,740.51 : 212,083,864.59 = 84,068,122.08 : x - Step 2: Convert to fraction form
153,682,740.51/212,083,864.59 = 84,068,122.08/x - Step 3: Cross multiply
153,682,740.51x = 212,083,864.59 × 84,068,122.08 - Step 4: Simplify right side
153,682,740.51x = 17,829,492,219,550,310 - Step 5: Solve for x
x = 17,829,492,219,550,310/153,682,740.51 - Step 6: Final answer
x = 116,014,928.94
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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.