Finding the Fourth Proportional to 83,354,185.79, 124,964,507.14 and 39,612,990.23
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Solution
The fourth proportional to 83,354,185.79, 124,964,507.14 and 39,612,990.23 is: 59,387,753.04
Step by Step Solution
- Step 1: Write the proportion equation
83,354,185.79 : 124,964,507.14 = 39,612,990.23 : x - Step 2: Convert to fraction form
83,354,185.79/124,964,507.14 = 39,612,990.23/x - Step 3: Cross multiply
83,354,185.79x = 124,964,507.14 × 39,612,990.23 - Step 4: Simplify right side
83,354,185.79x = 4,950,217,800,433,585 - Step 5: Solve for x
x = 4,950,217,800,433,585/83,354,185.79 - Step 6: Final answer
x = 59,387,753.04
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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.