Finding the Fourth Proportional to 207,537,251.84, 286,391,512 and 113,456,253.76
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Solution
The fourth proportional to 207,537,251.84, 286,391,512 and 113,456,253.76 is: 156,564,220.51
Step by Step Solution
- Step 1: Write the proportion equation
207,537,251.84 : 286,391,512 = 113,456,253.76 : x - Step 2: Convert to fraction form
207,537,251.84/286,391,512 = 113,456,253.76/x - Step 3: Cross multiply
207,537,251.84x = 286,391,512 × 113,456,253.76 - Step 4: Simplify right side
207,537,251.84x = 32,492,908,060,182,088 - Step 5: Solve for x
x = 32,492,908,060,182,088/207,537,251.84 - Step 6: Final answer
x = 156,564,220.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.