Finding the Fourth Proportional to 93,318,611,484.56, 128,765,830,569.36 and 56,677,659,579.20
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Solution
The fourth proportional to 93,318,611,484.56, 128,765,830,569.36 and 56,677,659,579.20 is: 78,206,756,340.89
Step by Step Solution
- Step 1: Write the proportion equation
93,318,611,484.56 : 128,765,830,569.36 = 56,677,659,579.20 : x - Step 2: Convert to fraction form
93,318,611,484.56/128,765,830,569.36 = 56,677,659,579.20/x - Step 3: Cross multiply
93,318,611,484.56x = 128,765,830,569.36 × 56,677,659,579.20 - Step 4: Simplify right side
93,318,611,484.56x = 7,298,145,910,443,131,011,072 - Step 5: Solve for x
x = 7,298,145,910,443,131,011,072/93,318,611,484.56 - Step 6: Final answer
x = 78,206,756,340.89
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1.5x scale
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.