Finding the Fourth Proportional to 219,706,246.70, 329,559,370.05 and 122,960,365.10
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Solution
The fourth proportional to 219,706,246.70, 329,559,370.05 and 122,960,365.10 is: 184,440,547.65
Step by Step Solution
- Step 1: Write the proportion equation
219,706,246.70 : 329,559,370.05 = 122,960,365.10 : x - Step 2: Convert to fraction form
219,706,246.70/329,559,370.05 = 122,960,365.10/x - Step 3: Cross multiply
219,706,246.70x = 329,559,370.05 × 122,960,365.10 - Step 4: Simplify right side
219,706,246.70x = 40,522,740,463,474,008 - Step 5: Solve for x
x = 40,522,740,463,474,008/219,706,246.70 - Step 6: Final answer
x = 184,440,547.65
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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.