Finding the Fourth Proportional to 83,038,412.70, 124,557,619.05 and 48,459,318.30
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Solution
The fourth proportional to 83,038,412.70, 124,557,619.05 and 48,459,318.30 is: 72,688,977.45
Step by Step Solution
- Step 1: Write the proportion equation
83,038,412.70 : 124,557,619.05 = 48,459,318.30 : x - Step 2: Convert to fraction form
83,038,412.70/124,557,619.05 = 48,459,318.30/x - Step 3: Cross multiply
83,038,412.70x = 124,557,619.05 × 48,459,318.30 - Step 4: Simplify right side
83,038,412.70x = 6,035,977,308,234,093 - Step 5: Solve for x
x = 6,035,977,308,234,093/83,038,412.70 - Step 6: Final answer
x = 72,688,977.45
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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.