Finding the Fourth Proportional to 203,670,129.66, 281,064,763.35 and 110,851,303.02
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Solution
The fourth proportional to 203,670,129.66, 281,064,763.35 and 110,851,303.02 is: 152,974,789.69
Step by Step Solution
- Step 1: Write the proportion equation
203,670,129.66 : 281,064,763.35 = 110,851,303.02 : x - Step 2: Convert to fraction form
203,670,129.66/281,064,763.35 = 110,851,303.02/x - Step 3: Cross multiply
203,670,129.66x = 281,064,763.35 × 110,851,303.02 - Step 4: Simplify right side
203,670,129.66x = 31,156,395,250,355,440 - Step 5: Solve for x
x = 31,156,395,250,355,440/203,670,129.66 - Step 6: Final answer
x = 152,974,789.69
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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.