Finding the Fourth Proportional to 154,873,142.56, 232,316,124.60 and 45,698,313.65
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Solution
The fourth proportional to 154,873,142.56, 232,316,124.60 and 45,698,313.65 is: 68,549,362.09
Step by Step Solution
- Step 1: Write the proportion equation
154,873,142.56 : 232,316,124.60 = 45,698,313.65 : x - Step 2: Convert to fraction form
154,873,142.56/232,316,124.60 = 45,698,313.65/x - Step 3: Cross multiply
154,873,142.56x = 232,316,124.60 × 45,698,313.65 - Step 4: Simplify right side
154,873,142.56x = 10,616,455,126,933,070 - Step 5: Solve for x
x = 10,616,455,126,933,070/154,873,142.56 - Step 6: Final answer
x = 68,549,362.09
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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.