Finding the Fourth Proportional to 68,167,712,670.40, 102,251,569,005.60 and 51,637,771,806.40
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Solution
The fourth proportional to 68,167,712,670.40, 102,251,569,005.60 and 51,637,771,806.40 is: 77,456,657,709.60
Step by Step Solution
- Step 1: Write the proportion equation
68,167,712,670.40 : 102,251,569,005.60 = 51,637,771,806.40 : x - Step 2: Convert to fraction form
68,167,712,670.40/102,251,569,005.60 = 51,637,771,806.40/x - Step 3: Cross multiply
68,167,712,670.40x = 102,251,569,005.60 × 51,637,771,806.40 - Step 4: Simplify right side
68,167,712,670.40x = 5,280,043,187,157,536,342,016 - Step 5: Solve for x
x = 5,280,043,187,157,536,342,016/68,167,712,670.40 - Step 6: Final answer
x = 77,456,657,709.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.