Finding the Fourth Proportional to 167,990,780.15, 231,828,267.47 and 97,468,381.65
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Solution
The fourth proportional to 167,990,780.15, 231,828,267.47 and 97,468,381.65 is: 134,506,941.58
Step by Step Solution
- Step 1: Write the proportion equation
167,990,780.15 : 231,828,267.47 = 97,468,381.65 : x - Step 2: Convert to fraction form
167,990,780.15/231,828,267.47 = 97,468,381.65/x - Step 3: Cross multiply
167,990,780.15x = 231,828,267.47 × 97,468,381.65 - Step 4: Simplify right side
167,990,780.15x = 22,595,926,050,536,900 - Step 5: Solve for x
x = 22,595,926,050,536,900/167,990,780.15 - Step 6: Final answer
x = 134,506,941.58
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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.