Finding the Fourth Proportional to 77,184,164.20, 115,776,246.30 and 48,462,730.60
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Solution
The fourth proportional to 77,184,164.20, 115,776,246.30 and 48,462,730.60 is: 72,694,095.90
Step by Step Solution
- Step 1: Write the proportion equation
77,184,164.20 : 115,776,246.30 = 48,462,730.60 : x - Step 2: Convert to fraction form
77,184,164.20/115,776,246.30 = 48,462,730.60/x - Step 3: Cross multiply
77,184,164.20x = 115,776,246.30 × 48,462,730.60 - Step 4: Simplify right side
77,184,164.20x = 5,610,833,034,316,147 - Step 5: Solve for x
x = 5,610,833,034,316,147/77,184,164.20 - Step 6: Final answer
x = 72,694,095.90
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1.5x scale
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.