Finding the Fourth Proportional to 187,779,612.99, 281,470,620.06 and 63,163,610.07
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Solution
The fourth proportional to 187,779,612.99, 281,470,620.06 and 63,163,610.07 is: 94,678,544.75
Step by Step Solution
- Step 1: Write the proportion equation
187,779,612.99 : 281,470,620.06 = 63,163,610.07 : x - Step 2: Convert to fraction form
187,779,612.99/281,470,620.06 = 63,163,610.07/x - Step 3: Cross multiply
187,779,612.99x = 281,470,620.06 × 63,163,610.07 - Step 4: Simplify right side
187,779,612.99x = 17,778,700,491,630,960 - Step 5: Solve for x
x = 17,778,700,491,630,960/187,779,612.99 - Step 6: Final answer
x = 94,678,544.75
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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.