Finding the Fourth Proportional to 83,683,929.32, 125,158,759.68 and 74,526,474.32
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Solution
The fourth proportional to 83,683,929.32, 125,158,759.68 and 74,526,474.32 is: 111,462,752.35
Step by Step Solution
- Step 1: Write the proportion equation
83,683,929.32 : 125,158,759.68 = 74,526,474.32 : x - Step 2: Convert to fraction form
83,683,929.32/125,158,759.68 = 74,526,474.32/x - Step 3: Cross multiply
83,683,929.32x = 125,158,759.68 × 74,526,474.32 - Step 4: Simplify right side
83,683,929.32x = 9,327,641,089,214,572 - Step 5: Solve for x
x = 9,327,641,089,214,572/83,683,929.32 - Step 6: Final answer
x = 111,462,752.35
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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.