Finding the Fourth Proportional to 134,955,861.60, 186,239,342.36 and 75,417,158.12
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Solution
The fourth proportional to 134,955,861.60, 186,239,342.36 and 75,417,158.12 is: 104,075,819.79
Step by Step Solution
- Step 1: Write the proportion equation
134,955,861.60 : 186,239,342.36 = 75,417,158.12 : x - Step 2: Convert to fraction form
134,955,861.60/186,239,342.36 = 75,417,158.12/x - Step 3: Cross multiply
134,955,861.60x = 186,239,342.36 × 75,417,158.12 - Step 4: Simplify right side
134,955,861.60x = 14,045,641,930,928,936 - Step 5: Solve for x
x = 14,045,641,930,928,936/134,955,861.60 - Step 6: Final answer
x = 104,075,819.79
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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.