Finding the Fourth Proportional to 153,401,030.40, 230,101,545.60 and 51,168,403.20
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Solution
The fourth proportional to 153,401,030.40, 230,101,545.60 and 51,168,403.20 is: 76,752,604.80
Step by Step Solution
- Step 1: Write the proportion equation
153,401,030.40 : 230,101,545.60 = 51,168,403.20 : x - Step 2: Convert to fraction form
153,401,030.40/230,101,545.60 = 51,168,403.20/x - Step 3: Cross multiply
153,401,030.40x = 230,101,545.60 × 51,168,403.20 - Step 4: Simplify right side
153,401,030.40x = 11,773,928,662,203,986 - Step 5: Solve for x
x = 11,773,928,662,203,986/153,401,030.40 - Step 6: Final answer
x = 76,752,604.80
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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.