Finding the Fourth Proportional to 52,271,805.68, 78,356,529.12 and 29,253,980.96
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Solution
The fourth proportional to 52,271,805.68, 78,356,529.12 and 29,253,980.96 is: 43,852,328.83
Step by Step Solution
- Step 1: Write the proportion equation
52,271,805.68 : 78,356,529.12 = 29,253,980.96 : x - Step 2: Convert to fraction form
52,271,805.68/78,356,529.12 = 29,253,980.96/x - Step 3: Cross multiply
52,271,805.68x = 78,356,529.12 × 29,253,980.96 - Step 4: Simplify right side
52,271,805.68x = 2,292,240,410,968,166 - Step 5: Solve for x
x = 2,292,240,410,968,166/52,271,805.68 - Step 6: Final answer
x = 43,852,328.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.