Finding the Fourth Proportional to 130,967,509.23, 180,689,518.67 and 83,950,507.08
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Solution
The fourth proportional to 130,967,509.23, 180,689,518.67 and 83,950,507.08 is: 115,822,441.80
Step by Step Solution
- Step 1: Write the proportion equation
130,967,509.23 : 180,689,518.67 = 83,950,507.08 : x - Step 2: Convert to fraction form
130,967,509.23/180,689,518.67 = 83,950,507.08/x - Step 3: Cross multiply
130,967,509.23x = 180,689,518.67 × 83,950,507.08 - Step 4: Simplify right side
130,967,509.23x = 15,168,976,715,967,874 - Step 5: Solve for x
x = 15,168,976,715,967,874/130,967,509.23 - Step 6: Final answer
x = 115,822,441.80
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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.