Finding the Fourth Proportional to 88,038,979.80, 121,497,586.62 and 48,880,758.36
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Solution
The fourth proportional to 88,038,979.80, 121,497,586.62 and 48,880,758.36 is: 67,457,553.31
Step by Step Solution
- Step 1: Write the proportion equation
88,038,979.80 : 121,497,586.62 = 48,880,758.36 : x - Step 2: Convert to fraction form
88,038,979.80/121,497,586.62 = 48,880,758.36/x - Step 3: Cross multiply
88,038,979.80x = 121,497,586.62 × 48,880,758.36 - Step 4: Simplify right side
88,038,979.80x = 5,938,894,172,895,389 - Step 5: Solve for x
x = 5,938,894,172,895,389/88,038,979.80 - Step 6: Final answer
x = 67,457,553.31
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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.