Finding the Fourth Proportional to 94,919,916.47, 130,994,570.76 and 53,101,487.12
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Solution
The fourth proportional to 94,919,916.47, 130,994,570.76 and 53,101,487.12 is: 73,282,897.53
Step by Step Solution
- Step 1: Write the proportion equation
94,919,916.47 : 130,994,570.76 = 53,101,487.12 : x - Step 2: Convert to fraction form
94,919,916.47/130,994,570.76 = 53,101,487.12/x - Step 3: Cross multiply
94,919,916.47x = 130,994,570.76 × 53,101,487.12 - Step 4: Simplify right side
94,919,916.47x = 6,956,006,512,002,069 - Step 5: Solve for x
x = 6,956,006,512,002,069/94,919,916.47 - Step 6: Final answer
x = 73,282,897.53
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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.