Finding the Fourth Proportional to 67,348,784.33, 92,934,353.12 and 49,717,048.18
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Solution
The fourth proportional to 67,348,784.33, 92,934,353.12 and 49,717,048.18 is: 68,604,381.76
Step by Step Solution
- Step 1: Write the proportion equation
67,348,784.33 : 92,934,353.12 = 49,717,048.18 : x - Step 2: Convert to fraction form
67,348,784.33/92,934,353.12 = 49,717,048.18/x - Step 3: Cross multiply
67,348,784.33x = 92,934,353.12 × 49,717,048.18 - Step 4: Simplify right side
67,348,784.33x = 4,620,421,711,536,130 - Step 5: Solve for x
x = 4,620,421,711,536,130/67,348,784.33 - Step 6: Final answer
x = 68,604,381.76
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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.