Finding the Fourth Proportional to 147,736,305.60, 221,604,458.40 and 135,832,027.20
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Solution
The fourth proportional to 147,736,305.60, 221,604,458.40 and 135,832,027.20 is: 203,748,040.80
Step by Step Solution
- Step 1: Write the proportion equation
147,736,305.60 : 221,604,458.40 = 135,832,027.20 : x - Step 2: Convert to fraction form
147,736,305.60/221,604,458.40 = 135,832,027.20/x - Step 3: Cross multiply
147,736,305.60x = 221,604,458.40 × 135,832,027.20 - Step 4: Simplify right side
147,736,305.60x = 30,100,982,821,030,068 - Step 5: Solve for x
x = 30,100,982,821,030,068/147,736,305.60 - Step 6: Final answer
x = 203,748,040.80
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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.