Finding the Fourth Proportional to 52,386,440.70, 78,615,090.45 and 29,357,330.70
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Solution
The fourth proportional to 52,386,440.70, 78,615,090.45 and 29,357,330.70 is: 44,055,850.67
Step by Step Solution
- Step 1: Write the proportion equation
52,386,440.70 : 78,615,090.45 = 29,357,330.70 : x - Step 2: Convert to fraction form
52,386,440.70/78,615,090.45 = 29,357,330.70/x - Step 3: Cross multiply
52,386,440.70x = 78,615,090.45 × 29,357,330.70 - Step 4: Simplify right side
52,386,440.70x = 2,307,929,208,351,062 - Step 5: Solve for x
x = 2,307,929,208,351,062/52,386,440.70 - Step 6: Final answer
x = 44,055,850.67
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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.