Finding the Fourth Proportional to 55,191,657.14, 76,167,831.13 and 30,411,814.00
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Solution
The fourth proportional to 55,191,657.14, 76,167,831.13 and 30,411,814.00 is: 41,970,146.09
Step by Step Solution
- Step 1: Write the proportion equation
55,191,657.14 : 76,167,831.13 = 30,411,814.00 : x - Step 2: Convert to fraction form
55,191,657.14/76,167,831.13 = 30,411,814.00/x - Step 3: Cross multiply
55,191,657.14x = 76,167,831.13 × 30,411,814.00 - Step 4: Simplify right side
55,191,657.14x = 2,316,401,912,974,275 - Step 5: Solve for x
x = 2,316,401,912,974,275/55,191,657.14 - Step 6: Final answer
x = 41,970,146.09
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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.