Finding the Fourth Proportional to 230,563,952.53, 318,316,641.74 and 142,575,923.36
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Solution
The fourth proportional to 230,563,952.53, 318,316,641.74 and 142,575,923.36 is: 196,840,350.02
Step by Step Solution
- Step 1: Write the proportion equation
230,563,952.53 : 318,316,641.74 = 142,575,923.36 : x - Step 2: Convert to fraction form
230,563,952.53/318,316,641.74 = 142,575,923.36/x - Step 3: Cross multiply
230,563,952.53x = 318,316,641.74 × 142,575,923.36 - Step 4: Simplify right side
230,563,952.53x = 45,384,289,118,087,056 - Step 5: Solve for x
x = 45,384,289,118,087,056/230,563,952.53 - Step 6: Final answer
x = 196,840,350.02
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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.