Finding the Fourth Proportional to 173,872,089.80, 260,808,134.70 and 113,405,913.80
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Solution
The fourth proportional to 173,872,089.80, 260,808,134.70 and 113,405,913.80 is: 170,108,870.70
Step by Step Solution
- Step 1: Write the proportion equation
173,872,089.80 : 260,808,134.70 = 113,405,913.80 : x - Step 2: Convert to fraction form
173,872,089.80/260,808,134.70 = 113,405,913.80/x - Step 3: Cross multiply
173,872,089.80x = 260,808,134.70 × 113,405,913.80 - Step 4: Simplify right side
173,872,089.80x = 29,577,184,842,126,988 - Step 5: Solve for x
x = 29,577,184,842,126,988/173,872,089.80 - Step 6: Final answer
x = 170,108,870.70
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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.